Home / 2,872.29-3,963.03-1,753.16

Finding the Fourth Proportional to 2,872.29, 3,963.03 and 1,753.16

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Solution

The fourth proportional to 2,872.29, 3,963.03 and 1,753.16 is: 2,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.29 : 3,963.03 = 1,753.16 : x
  2. Step 2: Convert to fraction form
    2,872.29/3,963.03 = 1,753.16/x
  3. Step 3: Cross multiply
    2,872.29x = 3,963.03 × 1,753.16
  4. Step 4: Simplify right side
    2,872.29x = 6,947,805.86
  5. Step 5: Solve for x
    x = 6,947,805.86/2,872.29
  6. Step 6: Final answer
    x = 2,418.91

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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.