Home / 2,057.38-2,839.18-1,125.88

Finding the Fourth Proportional to 2,057.38, 2,839.18 and 1,125.88

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Solution

The fourth proportional to 2,057.38, 2,839.18 and 1,125.88 is: 1,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.38 : 2,839.18 = 1,125.88 : x
  2. Step 2: Convert to fraction form
    2,057.38/2,839.18 = 1,125.88/x
  3. Step 3: Cross multiply
    2,057.38x = 2,839.18 × 1,125.88
  4. Step 4: Simplify right side
    2,057.38x = 3,196,575.98
  5. Step 5: Solve for x
    x = 3,196,575.98/2,057.38
  6. Step 6: Final answer
    x = 1,553.71

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1.5x scale

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.