Home / 3,728.97-5,146.23-2,467.85

Finding the Fourth Proportional to 3,728.97, 5,146.23 and 2,467.85

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Solution

The fourth proportional to 3,728.97, 5,146.23 and 2,467.85 is: 3,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.97 : 5,146.23 = 2,467.85 : x
  2. Step 2: Convert to fraction form
    3,728.97/5,146.23 = 2,467.85/x
  3. Step 3: Cross multiply
    3,728.97x = 5,146.23 × 2,467.85
  4. Step 4: Simplify right side
    3,728.97x = 12,700,097.97
  5. Step 5: Solve for x
    x = 12,700,097.97/3,728.97
  6. Step 6: Final answer
    x = 3,405.79

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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.