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Finding the Fourth Proportional to 3,958.32, 5,933.57 and 1,874.66

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Solution

The fourth proportional to 3,958.32, 5,933.57 and 1,874.66 is: 2,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.32 : 5,933.57 = 1,874.66 : x
  2. Step 2: Convert to fraction form
    3,958.32/5,933.57 = 1,874.66/x
  3. Step 3: Cross multiply
    3,958.32x = 5,933.57 × 1,874.66
  4. Step 4: Simplify right side
    3,958.32x = 11,123,431.80
  5. Step 5: Solve for x
    x = 11,123,431.80/3,958.32
  6. Step 6: Final answer
    x = 2,810.14

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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.