Home / 2,343.38-3,516.19-1,247.76

Finding the Fourth Proportional to 2,343.38, 3,516.19 and 1,247.76

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Solution

The fourth proportional to 2,343.38, 3,516.19 and 1,247.76 is: 1,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.38 : 3,516.19 = 1,247.76 : x
  2. Step 2: Convert to fraction form
    2,343.38/3,516.19 = 1,247.76/x
  3. Step 3: Cross multiply
    2,343.38x = 3,516.19 × 1,247.76
  4. Step 4: Simplify right side
    2,343.38x = 4,387,358.12
  5. Step 5: Solve for x
    x = 4,387,358.12/2,343.38
  6. Step 6: Final answer
    x = 1,872.24

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1.5x scale

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.