Home / 3,791.44-5,232.20-2,278.77

Finding the Fourth Proportional to 3,791.44, 5,232.20 and 2,278.77

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Solution

The fourth proportional to 3,791.44, 5,232.20 and 2,278.77 is: 3,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.44 : 5,232.20 = 2,278.77 : x
  2. Step 2: Convert to fraction form
    3,791.44/5,232.20 = 2,278.77/x
  3. Step 3: Cross multiply
    3,791.44x = 5,232.20 × 2,278.77
  4. Step 4: Simplify right side
    3,791.44x = 11,922,949.38
  5. Step 5: Solve for x
    x = 11,922,949.38/3,791.44
  6. Step 6: Final answer
    x = 3,144.70

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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.