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Finding the Fourth Proportional to 3,295.59, 4,951.13 and 3,108.78

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Solution

The fourth proportional to 3,295.59, 4,951.13 and 3,108.78 is: 4,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.59 : 4,951.13 = 3,108.78 : x
  2. Step 2: Convert to fraction form
    3,295.59/4,951.13 = 3,108.78/x
  3. Step 3: Cross multiply
    3,295.59x = 4,951.13 × 3,108.78
  4. Step 4: Simplify right side
    3,295.59x = 15,391,958.38
  5. Step 5: Solve for x
    x = 15,391,958.38/3,295.59
  6. Step 6: Final answer
    x = 4,670.48

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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.