Home / 2,040.73-3,061.13-579.92

Finding the Fourth Proportional to 2,040.73, 3,061.13 and 579.92

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Solution

The fourth proportional to 2,040.73, 3,061.13 and 579.92 is: 869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.73 : 3,061.13 = 579.92 : x
  2. Step 2: Convert to fraction form
    2,040.73/3,061.13 = 579.92/x
  3. Step 3: Cross multiply
    2,040.73x = 3,061.13 × 579.92
  4. Step 4: Simplify right side
    2,040.73x = 1,775,192.30
  5. Step 5: Solve for x
    x = 1,775,192.30/2,040.73
  6. Step 6: Final answer
    x = 869.88

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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.