Home / 3,708.46-5,115.66-2,382.36

Finding the Fourth Proportional to 3,708.46, 5,115.66 and 2,382.36

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Solution

The fourth proportional to 3,708.46, 5,115.66 and 2,382.36 is: 3,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.46 : 5,115.66 = 2,382.36 : x
  2. Step 2: Convert to fraction form
    3,708.46/5,115.66 = 2,382.36/x
  3. Step 3: Cross multiply
    3,708.46x = 5,115.66 × 2,382.36
  4. Step 4: Simplify right side
    3,708.46x = 12,187,344.42
  5. Step 5: Solve for x
    x = 12,187,344.42/3,708.46
  6. Step 6: Final answer
    x = 3,286.36

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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.