Home / 3,049.15-4,207.82-1,651.90

Finding the Fourth Proportional to 3,049.15, 4,207.82 and 1,651.90

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Solution

The fourth proportional to 3,049.15, 4,207.82 and 1,651.90 is: 2,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.15 : 4,207.82 = 1,651.90 : x
  2. Step 2: Convert to fraction form
    3,049.15/4,207.82 = 1,651.90/x
  3. Step 3: Cross multiply
    3,049.15x = 4,207.82 × 1,651.90
  4. Step 4: Simplify right side
    3,049.15x = 6,950,891.47
  5. Step 5: Solve for x
    x = 6,950,891.47/3,049.15
  6. Step 6: Final answer
    x = 2,279.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.