Home / 2,731.25-4,115.48-2,432.88

Finding the Fourth Proportional to 2,731.25, 4,115.48 and 2,432.88

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Solution

The fourth proportional to 2,731.25, 4,115.48 and 2,432.88 is: 3,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.25 : 4,115.48 = 2,432.88 : x
  2. Step 2: Convert to fraction form
    2,731.25/4,115.48 = 2,432.88/x
  3. Step 3: Cross multiply
    2,731.25x = 4,115.48 × 2,432.88
  4. Step 4: Simplify right side
    2,731.25x = 10,012,468.98
  5. Step 5: Solve for x
    x = 10,012,468.98/2,731.25
  6. Step 6: Final answer
    x = 3,665.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.