Home / 3,257.28-4,490.64-2,207.52

Finding the Fourth Proportional to 3,257.28, 4,490.64 and 2,207.52

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Solution

The fourth proportional to 3,257.28, 4,490.64 and 2,207.52 is: 3,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.28 : 4,490.64 = 2,207.52 : x
  2. Step 2: Convert to fraction form
    3,257.28/4,490.64 = 2,207.52/x
  3. Step 3: Cross multiply
    3,257.28x = 4,490.64 × 2,207.52
  4. Step 4: Simplify right side
    3,257.28x = 9,913,177.61
  5. Step 5: Solve for x
    x = 9,913,177.61/3,257.28
  6. Step 6: Final answer
    x = 3,043.39

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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.