Home / 2,481.55-3,721.64-1,000.76

Finding the Fourth Proportional to 2,481.55, 3,721.64 and 1,000.76

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Solution

The fourth proportional to 2,481.55, 3,721.64 and 1,000.76 is: 1,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.55 : 3,721.64 = 1,000.76 : x
  2. Step 2: Convert to fraction form
    2,481.55/3,721.64 = 1,000.76/x
  3. Step 3: Cross multiply
    2,481.55x = 3,721.64 × 1,000.76
  4. Step 4: Simplify right side
    2,481.55x = 3,724,444.83
  5. Step 5: Solve for x
    x = 3,724,444.83/2,481.55
  6. Step 6: Final answer
    x = 1,500.86

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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.