Home / 4,115.69-5,679.78-2,252.69

Finding the Fourth Proportional to 4,115.69, 5,679.78 and 2,252.69

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Solution

The fourth proportional to 4,115.69, 5,679.78 and 2,252.69 is: 3,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.69 : 5,679.78 = 2,252.69 : x
  2. Step 2: Convert to fraction form
    4,115.69/5,679.78 = 2,252.69/x
  3. Step 3: Cross multiply
    4,115.69x = 5,679.78 × 2,252.69
  4. Step 4: Simplify right side
    4,115.69x = 12,794,783.61
  5. Step 5: Solve for x
    x = 12,794,783.61/4,115.69
  6. Step 6: Final answer
    x = 3,108.78

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Half scale
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1.5x scale

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.