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Finding the Fourth Proportional to 3,956.42, 5,932.91 and 1,877.02

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Solution

The fourth proportional to 3,956.42, 5,932.91 and 1,877.02 is: 2,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.42 : 5,932.91 = 1,877.02 : x
  2. Step 2: Convert to fraction form
    3,956.42/5,932.91 = 1,877.02/x
  3. Step 3: Cross multiply
    3,956.42x = 5,932.91 × 1,877.02
  4. Step 4: Simplify right side
    3,956.42x = 11,136,192.42
  5. Step 5: Solve for x
    x = 11,136,192.42/3,956.42
  6. Step 6: Final answer
    x = 2,814.71

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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.