Home / 2,057.56-2,839.38-1,126

Finding the Fourth Proportional to 2,057.56, 2,839.38 and 1,126

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Solution

The fourth proportional to 2,057.56, 2,839.38 and 1,126 is: 1,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.56 : 2,839.38 = 1,126 : x
  2. Step 2: Convert to fraction form
    2,057.56/2,839.38 = 1,126/x
  3. Step 3: Cross multiply
    2,057.56x = 2,839.38 × 1,126
  4. Step 4: Simplify right side
    2,057.56x = 3,197,141.88
  5. Step 5: Solve for x
    x = 3,197,141.88/2,057.56
  6. Step 6: Final answer
    x = 1,553.85

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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.