Home / 2,872.38-4,315.86-1,832.88

Finding the Fourth Proportional to 2,872.38, 4,315.86 and 1,832.88

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Solution

The fourth proportional to 2,872.38, 4,315.86 and 1,832.88 is: 2,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.38 : 4,315.86 = 1,832.88 : x
  2. Step 2: Convert to fraction form
    2,872.38/4,315.86 = 1,832.88/x
  3. Step 3: Cross multiply
    2,872.38x = 4,315.86 × 1,832.88
  4. Step 4: Simplify right side
    2,872.38x = 7,910,453.48
  5. Step 5: Solve for x
    x = 7,910,453.48/2,872.38
  6. Step 6: Final answer
    x = 2,753.97

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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.