Home / 3,790.90-5,232.90-3,397.24

Finding the Fourth Proportional to 3,790.90, 5,232.90 and 3,397.24

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Solution

The fourth proportional to 3,790.90, 5,232.90 and 3,397.24 is: 4,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.90 : 5,232.90 = 3,397.24 : x
  2. Step 2: Convert to fraction form
    3,790.90/5,232.90 = 3,397.24/x
  3. Step 3: Cross multiply
    3,790.90x = 5,232.90 × 3,397.24
  4. Step 4: Simplify right side
    3,790.90x = 17,777,417.20
  5. Step 5: Solve for x
    x = 17,777,417.20/3,790.90
  6. Step 6: Final answer
    x = 4,689.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.