Home / 2,795.62-4,192.68-1,331.86

Finding the Fourth Proportional to 2,795.62, 4,192.68 and 1,331.86

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Solution

The fourth proportional to 2,795.62, 4,192.68 and 1,331.86 is: 1,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.62 : 4,192.68 = 1,331.86 : x
  2. Step 2: Convert to fraction form
    2,795.62/4,192.68 = 1,331.86/x
  3. Step 3: Cross multiply
    2,795.62x = 4,192.68 × 1,331.86
  4. Step 4: Simplify right side
    2,795.62x = 5,584,062.78
  5. Step 5: Solve for x
    x = 5,584,062.78/2,795.62
  6. Step 6: Final answer
    x = 1,997.43

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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.