Home / 2,240.91-3,091.97-1,356.71

Finding the Fourth Proportional to 2,240.91, 3,091.97 and 1,356.71

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Solution

The fourth proportional to 2,240.91, 3,091.97 and 1,356.71 is: 1,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.91 : 3,091.97 = 1,356.71 : x
  2. Step 2: Convert to fraction form
    2,240.91/3,091.97 = 1,356.71/x
  3. Step 3: Cross multiply
    2,240.91x = 3,091.97 × 1,356.71
  4. Step 4: Simplify right side
    2,240.91x = 4,194,884.38
  5. Step 5: Solve for x
    x = 4,194,884.38/2,240.91
  6. Step 6: Final answer
    x = 1,871.96

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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.