Home / 2,919.44-4,380.89-2,734.73

Finding the Fourth Proportional to 2,919.44, 4,380.89 and 2,734.73

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Solution

The fourth proportional to 2,919.44, 4,380.89 and 2,734.73 is: 4,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.44 : 4,380.89 = 2,734.73 : x
  2. Step 2: Convert to fraction form
    2,919.44/4,380.89 = 2,734.73/x
  3. Step 3: Cross multiply
    2,919.44x = 4,380.89 × 2,734.73
  4. Step 4: Simplify right side
    2,919.44x = 11,980,530.62
  5. Step 5: Solve for x
    x = 11,980,530.62/2,919.44
  6. Step 6: Final answer
    x = 4,103.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.