Home / 3,948.56-5,449.40-2,952.11

Finding the Fourth Proportional to 3,948.56, 5,449.40 and 2,952.11

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Solution

The fourth proportional to 3,948.56, 5,449.40 and 2,952.11 is: 4,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.56 : 5,449.40 = 2,952.11 : x
  2. Step 2: Convert to fraction form
    3,948.56/5,449.40 = 2,952.11/x
  3. Step 3: Cross multiply
    3,948.56x = 5,449.40 × 2,952.11
  4. Step 4: Simplify right side
    3,948.56x = 16,087,228.23
  5. Step 5: Solve for x
    x = 16,087,228.23/3,948.56
  6. Step 6: Final answer
    x = 4,074.20

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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.