Home / 3,916.27-5,874.68-1,142.90

Finding the Fourth Proportional to 3,916.27, 5,874.68 and 1,142.90

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Solution

The fourth proportional to 3,916.27, 5,874.68 and 1,142.90 is: 1,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.27 : 5,874.68 = 1,142.90 : x
  2. Step 2: Convert to fraction form
    3,916.27/5,874.68 = 1,142.90/x
  3. Step 3: Cross multiply
    3,916.27x = 5,874.68 × 1,142.90
  4. Step 4: Simplify right side
    3,916.27x = 6,714,171.77
  5. Step 5: Solve for x
    x = 6,714,171.77/3,916.27
  6. Step 6: Final answer
    x = 1,714.43

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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.