Home / 2,834-4,247.28-1,273.92

Finding the Fourth Proportional to 2,834, 4,247.28 and 1,273.92

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Solution

The fourth proportional to 2,834, 4,247.28 and 1,273.92 is: 1,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834 : 4,247.28 = 1,273.92 : x
  2. Step 2: Convert to fraction form
    2,834/4,247.28 = 1,273.92/x
  3. Step 3: Cross multiply
    2,834x = 4,247.28 × 1,273.92
  4. Step 4: Simplify right side
    2,834x = 5,410,694.94
  5. Step 5: Solve for x
    x = 5,410,694.94/2,834
  6. Step 6: Final answer
    x = 1,909.21

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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.