Home / 2,821.94-4,234.19-1,179.53

Finding the Fourth Proportional to 2,821.94, 4,234.19 and 1,179.53

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Solution

The fourth proportional to 2,821.94, 4,234.19 and 1,179.53 is: 1,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.94 : 4,234.19 = 1,179.53 : x
  2. Step 2: Convert to fraction form
    2,821.94/4,234.19 = 1,179.53/x
  3. Step 3: Cross multiply
    2,821.94x = 4,234.19 × 1,179.53
  4. Step 4: Simplify right side
    2,821.94x = 4,994,349.58
  5. Step 5: Solve for x
    x = 4,994,349.58/2,821.94
  6. Step 6: Final answer
    x = 1,769.83

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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.