Home / 3,141.14-4,331.64-2,668.52

Finding the Fourth Proportional to 3,141.14, 4,331.64 and 2,668.52

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Solution

The fourth proportional to 3,141.14, 4,331.64 and 2,668.52 is: 3,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.14 : 4,331.64 = 2,668.52 : x
  2. Step 2: Convert to fraction form
    3,141.14/4,331.64 = 2,668.52/x
  3. Step 3: Cross multiply
    3,141.14x = 4,331.64 × 2,668.52
  4. Step 4: Simplify right side
    3,141.14x = 11,559,067.97
  5. Step 5: Solve for x
    x = 11,559,067.97/3,141.14
  6. Step 6: Final answer
    x = 3,679.90

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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.