Home / 2,949.12-4,067.28-2,250.72

Finding the Fourth Proportional to 2,949.12, 4,067.28 and 2,250.72

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Solution

The fourth proportional to 2,949.12, 4,067.28 and 2,250.72 is: 3,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.12 : 4,067.28 = 2,250.72 : x
  2. Step 2: Convert to fraction form
    2,949.12/4,067.28 = 2,250.72/x
  3. Step 3: Cross multiply
    2,949.12x = 4,067.28 × 2,250.72
  4. Step 4: Simplify right side
    2,949.12x = 9,154,308.44
  5. Step 5: Solve for x
    x = 9,154,308.44/2,949.12
  6. Step 6: Final answer
    x = 3,104.08

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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.