Home / 2,879.33-3,972.38-1,759.37

Finding the Fourth Proportional to 2,879.33, 3,972.38 and 1,759.37

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Solution

The fourth proportional to 2,879.33, 3,972.38 and 1,759.37 is: 2,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.33 : 3,972.38 = 1,759.37 : x
  2. Step 2: Convert to fraction form
    2,879.33/3,972.38 = 1,759.37/x
  3. Step 3: Cross multiply
    2,879.33x = 3,972.38 × 1,759.37
  4. Step 4: Simplify right side
    2,879.33x = 6,988,857.54
  5. Step 5: Solve for x
    x = 6,988,857.54/2,879.33
  6. Step 6: Final answer
    x = 2,427.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.