Home / 1,456.97-2,010.66-827.52

Finding the Fourth Proportional to 1,456.97, 2,010.66 and 827.52

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Solution

The fourth proportional to 1,456.97, 2,010.66 and 827.52 is: 1,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.97 : 2,010.66 = 827.52 : x
  2. Step 2: Convert to fraction form
    1,456.97/2,010.66 = 827.52/x
  3. Step 3: Cross multiply
    1,456.97x = 2,010.66 × 827.52
  4. Step 4: Simplify right side
    1,456.97x = 1,663,861.36
  5. Step 5: Solve for x
    x = 1,663,861.36/1,456.97
  6. Step 6: Final answer
    x = 1,142.00

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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.