Home / 2,542.73-3,815.70-1,081.88

Finding the Fourth Proportional to 2,542.73, 3,815.70 and 1,081.88

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Solution

The fourth proportional to 2,542.73, 3,815.70 and 1,081.88 is: 1,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.73 : 3,815.70 = 1,081.88 : x
  2. Step 2: Convert to fraction form
    2,542.73/3,815.70 = 1,081.88/x
  3. Step 3: Cross multiply
    2,542.73x = 3,815.70 × 1,081.88
  4. Step 4: Simplify right side
    2,542.73x = 4,128,110.44
  5. Step 5: Solve for x
    x = 4,128,110.44/2,542.73
  6. Step 6: Final answer
    x = 1,623.50

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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.