Blackburn ended a nine-match winless run in the Championship with a dominant display against Fulham.
The Whites pressed early on and Michael Madl had their best effort cleared off the line by Darragh Lenihan.
Rovers were in charge for most of the game and Ben Marshall’s jinking run was stopped illegally by Luke Garbutt, who got up to convert the penalty.
Shane Duffy headed in following a free-kick and Danny Graham nodded in his first Blackburn goal to secure the win.
Rovers, who had gained just four points since 11 December coming into the match, leapfrog Fulham into 18th and are now eight points clear of the relegation places.
Boss Paul Lambert was adamant Blackburn could be on the verge of being drawn into a relegation scrap if results did not improve, but his side created the better chances.
Fulham secured an impressive victory at QPR on Saturday but struggled to impose themselves on the game and have now taken just four points from seven matches.