Home / 3,480.29-5,221.80-1,531.13

Finding the Fourth Proportional to 3,480.29, 5,221.80 and 1,531.13

Calculator

Solution

The fourth proportional to 3,480.29, 5,221.80 and 1,531.13 is: 2,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.29 : 5,221.80 = 1,531.13 : x
  2. Step 2: Convert to fraction form
    3,480.29/5,221.80 = 1,531.13/x
  3. Step 3: Cross multiply
    3,480.29x = 5,221.80 × 1,531.13
  4. Step 4: Simplify right side
    3,480.29x = 7,995,228.53
  5. Step 5: Solve for x
    x = 7,995,228.53/3,480.29
  6. Step 6: Final answer
    x = 2,297.29

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.