Home / 2,923.32-4,380.88-1,276.44

Finding the Fourth Proportional to 2,923.32, 4,380.88 and 1,276.44

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Solution

The fourth proportional to 2,923.32, 4,380.88 and 1,276.44 is: 1,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.32 : 4,380.88 = 1,276.44 : x
  2. Step 2: Convert to fraction form
    2,923.32/4,380.88 = 1,276.44/x
  3. Step 3: Cross multiply
    2,923.32x = 4,380.88 × 1,276.44
  4. Step 4: Simplify right side
    2,923.32x = 5,591,930.47
  5. Step 5: Solve for x
    x = 5,591,930.47/2,923.32
  6. Step 6: Final answer
    x = 1,912.87

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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.