Home / 3,916.76-5,874.57-1,142.69

Finding the Fourth Proportional to 3,916.76, 5,874.57 and 1,142.69

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Solution

The fourth proportional to 3,916.76, 5,874.57 and 1,142.69 is: 1,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.76 : 5,874.57 = 1,142.69 : x
  2. Step 2: Convert to fraction form
    3,916.76/5,874.57 = 1,142.69/x
  3. Step 3: Cross multiply
    3,916.76x = 5,874.57 × 1,142.69
  4. Step 4: Simplify right side
    3,916.76x = 6,712,812.85
  5. Step 5: Solve for x
    x = 6,712,812.85/3,916.76
  6. Step 6: Final answer
    x = 1,713.87

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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.