Home / 2,481.23-3,721.85-1,385.00

Finding the Fourth Proportional to 2,481.23, 3,721.85 and 1,385.00

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Solution

The fourth proportional to 2,481.23, 3,721.85 and 1,385.00 is: 2,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.23 : 3,721.85 = 1,385.00 : x
  2. Step 2: Convert to fraction form
    2,481.23/3,721.85 = 1,385.00/x
  3. Step 3: Cross multiply
    2,481.23x = 3,721.85 × 1,385.00
  4. Step 4: Simplify right side
    2,481.23x = 5,154,755.87
  5. Step 5: Solve for x
    x = 5,154,755.87/2,481.23
  6. Step 6: Final answer
    x = 2,077.50

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Similar ratio
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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.