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Finding the Fourth Proportional to 3,287.79, 4,929.87 and 2,248.96

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Solution

The fourth proportional to 3,287.79, 4,929.87 and 2,248.96 is: 3,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.79 : 4,929.87 = 2,248.96 : x
  2. Step 2: Convert to fraction form
    3,287.79/4,929.87 = 2,248.96/x
  3. Step 3: Cross multiply
    3,287.79x = 4,929.87 × 2,248.96
  4. Step 4: Simplify right side
    3,287.79x = 11,087,080.44
  5. Step 5: Solve for x
    x = 11,087,080.44/3,287.79
  6. Step 6: Final answer
    x = 3,372.20

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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.