Home / 2,338.92-3,227.76-1,291.14

Finding the Fourth Proportional to 2,338.92, 3,227.76 and 1,291.14

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Solution

The fourth proportional to 2,338.92, 3,227.76 and 1,291.14 is: 1,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.92 : 3,227.76 = 1,291.14 : x
  2. Step 2: Convert to fraction form
    2,338.92/3,227.76 = 1,291.14/x
  3. Step 3: Cross multiply
    2,338.92x = 3,227.76 × 1,291.14
  4. Step 4: Simplify right side
    2,338.92x = 4,167,490.05
  5. Step 5: Solve for x
    x = 4,167,490.05/2,338.92
  6. Step 6: Final answer
    x = 1,781.80

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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.