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Finding the Fourth Proportional to 3,327, 4,991.82 and 1,247.59

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Solution

The fourth proportional to 3,327, 4,991.82 and 1,247.59 is: 1,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327 : 4,991.82 = 1,247.59 : x
  2. Step 2: Convert to fraction form
    3,327/4,991.82 = 1,247.59/x
  3. Step 3: Cross multiply
    3,327x = 4,991.82 × 1,247.59
  4. Step 4: Simplify right side
    3,327x = 6,227,744.71
  5. Step 5: Solve for x
    x = 6,227,744.71/3,327
  6. Step 6: Final answer
    x = 1,871.88

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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.