Home / 3,838.27-5,291.17-2,715.75

Finding the Fourth Proportional to 3,838.27, 5,291.17 and 2,715.75

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Solution

The fourth proportional to 3,838.27, 5,291.17 and 2,715.75 is: 3,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.27 : 5,291.17 = 2,715.75 : x
  2. Step 2: Convert to fraction form
    3,838.27/5,291.17 = 2,715.75/x
  3. Step 3: Cross multiply
    3,838.27x = 5,291.17 × 2,715.75
  4. Step 4: Simplify right side
    3,838.27x = 14,369,494.93
  5. Step 5: Solve for x
    x = 14,369,494.93/3,838.27
  6. Step 6: Final answer
    x = 3,743.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.