Home / 3,489.31-5,237.61-2,565.91

Finding the Fourth Proportional to 3,489.31, 5,237.61 and 2,565.91

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Solution

The fourth proportional to 3,489.31, 5,237.61 and 2,565.91 is: 3,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.31 : 5,237.61 = 2,565.91 : x
  2. Step 2: Convert to fraction form
    3,489.31/5,237.61 = 2,565.91/x
  3. Step 3: Cross multiply
    3,489.31x = 5,237.61 × 2,565.91
  4. Step 4: Simplify right side
    3,489.31x = 13,439,235.88
  5. Step 5: Solve for x
    x = 13,439,235.88/3,489.31
  6. Step 6: Final answer
    x = 3,851.55

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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.