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Finding the Fourth Proportional to 3,729.82, 5,594.64 and 956.44

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Solution

The fourth proportional to 3,729.82, 5,594.64 and 956.44 is: 1,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.82 : 5,594.64 = 956.44 : x
  2. Step 2: Convert to fraction form
    3,729.82/5,594.64 = 956.44/x
  3. Step 3: Cross multiply
    3,729.82x = 5,594.64 × 956.44
  4. Step 4: Simplify right side
    3,729.82x = 5,350,937.48
  5. Step 5: Solve for x
    x = 5,350,937.48/3,729.82
  6. Step 6: Final answer
    x = 1,434.64

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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.