Home / 3,917.92-5,868.24-2,613.28

Finding the Fourth Proportional to 3,917.92, 5,868.24 and 2,613.28

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Solution

The fourth proportional to 3,917.92, 5,868.24 and 2,613.28 is: 3,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.92 : 5,868.24 = 2,613.28 : x
  2. Step 2: Convert to fraction form
    3,917.92/5,868.24 = 2,613.28/x
  3. Step 3: Cross multiply
    3,917.92x = 5,868.24 × 2,613.28
  4. Step 4: Simplify right side
    3,917.92x = 15,335,354.23
  5. Step 5: Solve for x
    x = 15,335,354.23/3,917.92
  6. Step 6: Final answer
    x = 3,914.16

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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.