Home / 2,825.28-4,234.28-1,179.56

Finding the Fourth Proportional to 2,825.28, 4,234.28 and 1,179.56

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Solution

The fourth proportional to 2,825.28, 4,234.28 and 1,179.56 is: 1,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.28 : 4,234.28 = 1,179.56 : x
  2. Step 2: Convert to fraction form
    2,825.28/4,234.28 = 1,179.56/x
  3. Step 3: Cross multiply
    2,825.28x = 4,234.28 × 1,179.56
  4. Step 4: Simplify right side
    2,825.28x = 4,994,592.00
  5. Step 5: Solve for x
    x = 4,994,592.00/2,825.28
  6. Step 6: Final answer
    x = 1,767.82

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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.