Home / 3,825.87-5,279.46-2,147.27

Finding the Fourth Proportional to 3,825.87, 5,279.46 and 2,147.27

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Solution

The fourth proportional to 3,825.87, 5,279.46 and 2,147.27 is: 2,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.87 : 5,279.46 = 2,147.27 : x
  2. Step 2: Convert to fraction form
    3,825.87/5,279.46 = 2,147.27/x
  3. Step 3: Cross multiply
    3,825.87x = 5,279.46 × 2,147.27
  4. Step 4: Simplify right side
    3,825.87x = 11,336,399.68
  5. Step 5: Solve for x
    x = 11,336,399.68/3,825.87
  6. Step 6: Final answer
    x = 2,963.09

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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.