Home / 3,588.31-5,376.38-2,198.75

Finding the Fourth Proportional to 3,588.31, 5,376.38 and 2,198.75

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Solution

The fourth proportional to 3,588.31, 5,376.38 and 2,198.75 is: 3,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.31 : 5,376.38 = 2,198.75 : x
  2. Step 2: Convert to fraction form
    3,588.31/5,376.38 = 2,198.75/x
  3. Step 3: Cross multiply
    3,588.31x = 5,376.38 × 2,198.75
  4. Step 4: Simplify right side
    3,588.31x = 11,821,277.65
  5. Step 5: Solve for x
    x = 11,821,277.65/3,588.31
  6. Step 6: Final answer
    x = 3,294.39

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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.