Home / 3,839.20-5,759.16-1,647.52

Finding the Fourth Proportional to 3,839.20, 5,759.16 and 1,647.52

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Solution

The fourth proportional to 3,839.20, 5,759.16 and 1,647.52 is: 2,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.20 : 5,759.16 = 1,647.52 : x
  2. Step 2: Convert to fraction form
    3,839.20/5,759.16 = 1,647.52/x
  3. Step 3: Cross multiply
    3,839.20x = 5,759.16 × 1,647.52
  4. Step 4: Simplify right side
    3,839.20x = 9,488,331.28
  5. Step 5: Solve for x
    x = 9,488,331.28/3,839.20
  6. Step 6: Final answer
    x = 2,471.43

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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.