Step 1:
Write the dimensions of the rectangle
Length = 4 feet
Wide = 3 feet
Step 2:
Next, convert feet to inches
12 inches = 1 feet
Length = 4 feet = 4 x 12 = 48 inches
Wide = 3 feet = 3 x 12 = 36 inches
Step 3
Find the area of the rectangular poster
Final answer
1728 square inches