Home / 2,721.91-4,082.32-1,334.65

Finding the Fourth Proportional to 2,721.91, 4,082.32 and 1,334.65

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Solution

The fourth proportional to 2,721.91, 4,082.32 and 1,334.65 is: 2,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.91 : 4,082.32 = 1,334.65 : x
  2. Step 2: Convert to fraction form
    2,721.91/4,082.32 = 1,334.65/x
  3. Step 3: Cross multiply
    2,721.91x = 4,082.32 × 1,334.65
  4. Step 4: Simplify right side
    2,721.91x = 5,448,468.39
  5. Step 5: Solve for x
    x = 5,448,468.39/2,721.91
  6. Step 6: Final answer
    x = 2,001.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.