Home / 3,758.11-5,186.27-2,079.47

Finding the Fourth Proportional to 3,758.11, 5,186.27 and 2,079.47

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Solution

The fourth proportional to 3,758.11, 5,186.27 and 2,079.47 is: 2,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.11 : 5,186.27 = 2,079.47 : x
  2. Step 2: Convert to fraction form
    3,758.11/5,186.27 = 2,079.47/x
  3. Step 3: Cross multiply
    3,758.11x = 5,186.27 × 2,079.47
  4. Step 4: Simplify right side
    3,758.11x = 10,784,696.42
  5. Step 5: Solve for x
    x = 10,784,696.42/3,758.11
  6. Step 6: Final answer
    x = 2,869.71

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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.