Home / 3,918.91-5,879.19-1,453.75

Finding the Fourth Proportional to 3,918.91, 5,879.19 and 1,453.75

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Solution

The fourth proportional to 3,918.91, 5,879.19 and 1,453.75 is: 2,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.91 : 5,879.19 = 1,453.75 : x
  2. Step 2: Convert to fraction form
    3,918.91/5,879.19 = 1,453.75/x
  3. Step 3: Cross multiply
    3,918.91x = 5,879.19 × 1,453.75
  4. Step 4: Simplify right side
    3,918.91x = 8,546,872.46
  5. Step 5: Solve for x
    x = 8,546,872.46/3,918.91
  6. Step 6: Final answer
    x = 2,180.93

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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.