Home / 2,208.25-3,304.20-1,331.26

Finding the Fourth Proportional to 2,208.25, 3,304.20 and 1,331.26

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Solution

The fourth proportional to 2,208.25, 3,304.20 and 1,331.26 is: 1,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.25 : 3,304.20 = 1,331.26 : x
  2. Step 2: Convert to fraction form
    2,208.25/3,304.20 = 1,331.26/x
  3. Step 3: Cross multiply
    2,208.25x = 3,304.20 × 1,331.26
  4. Step 4: Simplify right side
    2,208.25x = 4,398,749.29
  5. Step 5: Solve for x
    x = 4,398,749.29/2,208.25
  6. Step 6: Final answer
    x = 1,991.96

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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.