Home / 4,249.87-5,857.95-3,171.31

Finding the Fourth Proportional to 4,249.87, 5,857.95 and 3,171.31

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Solution

The fourth proportional to 4,249.87, 5,857.95 and 3,171.31 is: 4,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.87 : 5,857.95 = 3,171.31 : x
  2. Step 2: Convert to fraction form
    4,249.87/5,857.95 = 3,171.31/x
  3. Step 3: Cross multiply
    4,249.87x = 5,857.95 × 3,171.31
  4. Step 4: Simplify right side
    4,249.87x = 18,577,375.41
  5. Step 5: Solve for x
    x = 18,577,375.41/4,249.87
  6. Step 6: Final answer
    x = 4,371.28

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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.