Home / 3,073.57-4,239.86-2,539.29

Finding the Fourth Proportional to 3,073.57, 4,239.86 and 2,539.29

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Solution

The fourth proportional to 3,073.57, 4,239.86 and 2,539.29 is: 3,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.57 : 4,239.86 = 2,539.29 : x
  2. Step 2: Convert to fraction form
    3,073.57/4,239.86 = 2,539.29/x
  3. Step 3: Cross multiply
    3,073.57x = 4,239.86 × 2,539.29
  4. Step 4: Simplify right side
    3,073.57x = 10,766,234.10
  5. Step 5: Solve for x
    x = 10,766,234.10/3,073.57
  6. Step 6: Final answer
    x = 3,502.85

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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.