Home / 2,206-3,304.92-1,108.72

Finding the Fourth Proportional to 2,206, 3,304.92 and 1,108.72

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Solution

The fourth proportional to 2,206, 3,304.92 and 1,108.72 is: 1,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206 : 3,304.92 = 1,108.72 : x
  2. Step 2: Convert to fraction form
    2,206/3,304.92 = 1,108.72/x
  3. Step 3: Cross multiply
    2,206x = 3,304.92 × 1,108.72
  4. Step 4: Simplify right side
    2,206x = 3,664,230.90
  5. Step 5: Solve for x
    x = 3,664,230.90/2,206
  6. Step 6: Final answer
    x = 1,661.03

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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.