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Finding the Fourth Proportional to 3,479.69, 5,213.25 and 2,306.92

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Solution

The fourth proportional to 3,479.69, 5,213.25 and 2,306.92 is: 3,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.69 : 5,213.25 = 2,306.92 : x
  2. Step 2: Convert to fraction form
    3,479.69/5,213.25 = 2,306.92/x
  3. Step 3: Cross multiply
    3,479.69x = 5,213.25 × 2,306.92
  4. Step 4: Simplify right side
    3,479.69x = 12,026,524.62
  5. Step 5: Solve for x
    x = 12,026,524.62/3,479.69
  6. Step 6: Final answer
    x = 3,456.21

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1.5x scale

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.