Home / 3,849.44-5,778.24-3,127.72

Finding the Fourth Proportional to 3,849.44, 5,778.24 and 3,127.72

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Solution

The fourth proportional to 3,849.44, 5,778.24 and 3,127.72 is: 4,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.44 : 5,778.24 = 3,127.72 : x
  2. Step 2: Convert to fraction form
    3,849.44/5,778.24 = 3,127.72/x
  3. Step 3: Cross multiply
    3,849.44x = 5,778.24 × 3,127.72
  4. Step 4: Simplify right side
    3,849.44x = 18,072,716.81
  5. Step 5: Solve for x
    x = 18,072,716.81/3,849.44
  6. Step 6: Final answer
    x = 4,694.90

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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.