Home / 3,414.27-5,121.24-949.21

Finding the Fourth Proportional to 3,414.27, 5,121.24 and 949.21

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Solution

The fourth proportional to 3,414.27, 5,121.24 and 949.21 is: 1,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.27 : 5,121.24 = 949.21 : x
  2. Step 2: Convert to fraction form
    3,414.27/5,121.24 = 949.21/x
  3. Step 3: Cross multiply
    3,414.27x = 5,121.24 × 949.21
  4. Step 4: Simplify right side
    3,414.27x = 4,861,132.22
  5. Step 5: Solve for x
    x = 4,861,132.22/3,414.27
  6. Step 6: Final answer
    x = 1,423.77

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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.