Home / 1,879.56-2,823.39-1,149.57

Finding the Fourth Proportional to 1,879.56, 2,823.39 and 1,149.57

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Solution

The fourth proportional to 1,879.56, 2,823.39 and 1,149.57 is: 1,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.56 : 2,823.39 = 1,149.57 : x
  2. Step 2: Convert to fraction form
    1,879.56/2,823.39 = 1,149.57/x
  3. Step 3: Cross multiply
    1,879.56x = 2,823.39 × 1,149.57
  4. Step 4: Simplify right side
    1,879.56x = 3,245,684.44
  5. Step 5: Solve for x
    x = 3,245,684.44/1,879.56
  6. Step 6: Final answer
    x = 1,726.83

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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.