Home / 3,207.18-4,799.82-2,687.77

Finding the Fourth Proportional to 3,207.18, 4,799.82 and 2,687.77

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Solution

The fourth proportional to 3,207.18, 4,799.82 and 2,687.77 is: 4,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.18 : 4,799.82 = 2,687.77 : x
  2. Step 2: Convert to fraction form
    3,207.18/4,799.82 = 2,687.77/x
  3. Step 3: Cross multiply
    3,207.18x = 4,799.82 × 2,687.77
  4. Step 4: Simplify right side
    3,207.18x = 12,900,812.20
  5. Step 5: Solve for x
    x = 12,900,812.20/3,207.18
  6. Step 6: Final answer
    x = 4,022.48

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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.