Home / 3,195.82-4,789.10-2,207.62

Finding the Fourth Proportional to 3,195.82, 4,789.10 and 2,207.62

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Solution

The fourth proportional to 3,195.82, 4,789.10 and 2,207.62 is: 3,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.82 : 4,789.10 = 2,207.62 : x
  2. Step 2: Convert to fraction form
    3,195.82/4,789.10 = 2,207.62/x
  3. Step 3: Cross multiply
    3,195.82x = 4,789.10 × 2,207.62
  4. Step 4: Simplify right side
    3,195.82x = 10,572,512.94
  5. Step 5: Solve for x
    x = 10,572,512.94/3,195.82
  6. Step 6: Final answer
    x = 3,308.23

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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.