Home / 3,180.47-4,764.62-2,663.79

Finding the Fourth Proportional to 3,180.47, 4,764.62 and 2,663.79

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Solution

The fourth proportional to 3,180.47, 4,764.62 and 2,663.79 is: 3,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.47 : 4,764.62 = 2,663.79 : x
  2. Step 2: Convert to fraction form
    3,180.47/4,764.62 = 2,663.79/x
  3. Step 3: Cross multiply
    3,180.47x = 4,764.62 × 2,663.79
  4. Step 4: Simplify right side
    3,180.47x = 12,691,935.90
  5. Step 5: Solve for x
    x = 12,691,935.90/3,180.47
  6. Step 6: Final answer
    x = 3,990.59

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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.