Home / 3,967.05-5,474.33-2,198.65

Finding the Fourth Proportional to 3,967.05, 5,474.33 and 2,198.65

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Solution

The fourth proportional to 3,967.05, 5,474.33 and 2,198.65 is: 3,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.05 : 5,474.33 = 2,198.65 : x
  2. Step 2: Convert to fraction form
    3,967.05/5,474.33 = 2,198.65/x
  3. Step 3: Cross multiply
    3,967.05x = 5,474.33 × 2,198.65
  4. Step 4: Simplify right side
    3,967.05x = 12,036,124.66
  5. Step 5: Solve for x
    x = 12,036,124.66/3,967.05
  6. Step 6: Final answer
    x = 3,034.02

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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.