Home / 3,186.75-4,757.72-2,724.69

Finding the Fourth Proportional to 3,186.75, 4,757.72 and 2,724.69

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Solution

The fourth proportional to 3,186.75, 4,757.72 and 2,724.69 is: 4,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.75 : 4,757.72 = 2,724.69 : x
  2. Step 2: Convert to fraction form
    3,186.75/4,757.72 = 2,724.69/x
  3. Step 3: Cross multiply
    3,186.75x = 4,757.72 × 2,724.69
  4. Step 4: Simplify right side
    3,186.75x = 12,963,298.48
  5. Step 5: Solve for x
    x = 12,963,298.48/3,186.75
  6. Step 6: Final answer
    x = 4,067.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.