Home / 3,937.97-5,432.48-2,520.52

Finding the Fourth Proportional to 3,937.97, 5,432.48 and 2,520.52

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Solution

The fourth proportional to 3,937.97, 5,432.48 and 2,520.52 is: 3,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.97 : 5,432.48 = 2,520.52 : x
  2. Step 2: Convert to fraction form
    3,937.97/5,432.48 = 2,520.52/x
  3. Step 3: Cross multiply
    3,937.97x = 5,432.48 × 2,520.52
  4. Step 4: Simplify right side
    3,937.97x = 13,692,694.85
  5. Step 5: Solve for x
    x = 13,692,694.85/3,937.97
  6. Step 6: Final answer
    x = 3,477.09

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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.