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Finding the Fourth Proportional to 3,729, 5,593.21 and 2,168.01

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Solution

The fourth proportional to 3,729, 5,593.21 and 2,168.01 is: 3,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729 : 5,593.21 = 2,168.01 : x
  2. Step 2: Convert to fraction form
    3,729/5,593.21 = 2,168.01/x
  3. Step 3: Cross multiply
    3,729x = 5,593.21 × 2,168.01
  4. Step 4: Simplify right side
    3,729x = 12,126,115.81
  5. Step 5: Solve for x
    x = 12,126,115.81/3,729
  6. Step 6: Final answer
    x = 3,251.84

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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.