Home / 4,311.45-5,949.72-2,717.78

Finding the Fourth Proportional to 4,311.45, 5,949.72 and 2,717.78

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Solution

The fourth proportional to 4,311.45, 5,949.72 and 2,717.78 is: 3,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.45 : 5,949.72 = 2,717.78 : x
  2. Step 2: Convert to fraction form
    4,311.45/5,949.72 = 2,717.78/x
  3. Step 3: Cross multiply
    4,311.45x = 5,949.72 × 2,717.78
  4. Step 4: Simplify right side
    4,311.45x = 16,170,000.27
  5. Step 5: Solve for x
    x = 16,170,000.27/4,311.45
  6. Step 6: Final answer
    x = 3,750.48

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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.