Home / 3,049.92-4,577.76-1,407.60

Finding the Fourth Proportional to 3,049.92, 4,577.76 and 1,407.60

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Solution

The fourth proportional to 3,049.92, 4,577.76 and 1,407.60 is: 2,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.92 : 4,577.76 = 1,407.60 : x
  2. Step 2: Convert to fraction form
    3,049.92/4,577.76 = 1,407.60/x
  3. Step 3: Cross multiply
    3,049.92x = 4,577.76 × 1,407.60
  4. Step 4: Simplify right side
    3,049.92x = 6,443,654.98
  5. Step 5: Solve for x
    x = 6,443,654.98/3,049.92
  6. Step 6: Final answer
    x = 2,112.73

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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.