Home / 3,967.16-5,474.42-2,198.84

Finding the Fourth Proportional to 3,967.16, 5,474.42 and 2,198.84

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Solution

The fourth proportional to 3,967.16, 5,474.42 and 2,198.84 is: 3,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.16 : 5,474.42 = 2,198.84 : x
  2. Step 2: Convert to fraction form
    3,967.16/5,474.42 = 2,198.84/x
  3. Step 3: Cross multiply
    3,967.16x = 5,474.42 × 2,198.84
  4. Step 4: Simplify right side
    3,967.16x = 12,037,373.67
  5. Step 5: Solve for x
    x = 12,037,373.67/3,967.16
  6. Step 6: Final answer
    x = 3,034.25

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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.