Home / 3,948.54-5,449.38-2,952.12

Finding the Fourth Proportional to 3,948.54, 5,449.38 and 2,952.12

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Solution

The fourth proportional to 3,948.54, 5,449.38 and 2,952.12 is: 4,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.54 : 5,449.38 = 2,952.12 : x
  2. Step 2: Convert to fraction form
    3,948.54/5,449.38 = 2,952.12/x
  3. Step 3: Cross multiply
    3,948.54x = 5,449.38 × 2,952.12
  4. Step 4: Simplify right side
    3,948.54x = 16,087,223.69
  5. Step 5: Solve for x
    x = 16,087,223.69/3,948.54
  6. Step 6: Final answer
    x = 4,074.22

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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.