Home / 2,949.20-4,067.88-2,424.32

Finding the Fourth Proportional to 2,949.20, 4,067.88 and 2,424.32

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Solution

The fourth proportional to 2,949.20, 4,067.88 and 2,424.32 is: 3,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.20 : 4,067.88 = 2,424.32 : x
  2. Step 2: Convert to fraction form
    2,949.20/4,067.88 = 2,424.32/x
  3. Step 3: Cross multiply
    2,949.20x = 4,067.88 × 2,424.32
  4. Step 4: Simplify right side
    2,949.20x = 9,861,842.84
  5. Step 5: Solve for x
    x = 9,861,842.84/2,949.20
  6. Step 6: Final answer
    x = 3,343.90

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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.