Home / 2,789.14-4,183.71-1,144.53

Finding the Fourth Proportional to 2,789.14, 4,183.71 and 1,144.53

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Solution

The fourth proportional to 2,789.14, 4,183.71 and 1,144.53 is: 1,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.14 : 4,183.71 = 1,144.53 : x
  2. Step 2: Convert to fraction form
    2,789.14/4,183.71 = 1,144.53/x
  3. Step 3: Cross multiply
    2,789.14x = 4,183.71 × 1,144.53
  4. Step 4: Simplify right side
    2,789.14x = 4,788,380.53
  5. Step 5: Solve for x
    x = 4,788,380.53/2,789.14
  6. Step 6: Final answer
    x = 1,716.79

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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.