Home / 3,195.92-4,796.76-2,982.80

Finding the Fourth Proportional to 3,195.92, 4,796.76 and 2,982.80

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Solution

The fourth proportional to 3,195.92, 4,796.76 and 2,982.80 is: 4,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.92 : 4,796.76 = 2,982.80 : x
  2. Step 2: Convert to fraction form
    3,195.92/4,796.76 = 2,982.80/x
  3. Step 3: Cross multiply
    3,195.92x = 4,796.76 × 2,982.80
  4. Step 4: Simplify right side
    3,195.92x = 14,307,775.73
  5. Step 5: Solve for x
    x = 14,307,775.73/3,195.92
  6. Step 6: Final answer
    x = 4,476.89

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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.