Home / 3,949.44-5,417.58-3,867.48

Finding the Fourth Proportional to 3,949.44, 5,417.58 and 3,867.48

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Solution

The fourth proportional to 3,949.44, 5,417.58 and 3,867.48 is: 5,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.44 : 5,417.58 = 3,867.48 : x
  2. Step 2: Convert to fraction form
    3,949.44/5,417.58 = 3,867.48/x
  3. Step 3: Cross multiply
    3,949.44x = 5,417.58 × 3,867.48
  4. Step 4: Simplify right side
    3,949.44x = 20,952,382.30
  5. Step 5: Solve for x
    x = 20,952,382.30/3,949.44
  6. Step 6: Final answer
    x = 5,305.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.