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Finding the Fourth Proportional to 2,203, 3,304.62 and 664.12

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Solution

The fourth proportional to 2,203, 3,304.62 and 664.12 is: 996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203 : 3,304.62 = 664.12 : x
  2. Step 2: Convert to fraction form
    2,203/3,304.62 = 664.12/x
  3. Step 3: Cross multiply
    2,203x = 3,304.62 × 664.12
  4. Step 4: Simplify right side
    2,203x = 2,194,664.23
  5. Step 5: Solve for x
    x = 2,194,664.23/2,203
  6. Step 6: Final answer
    x = 996.22

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Double scale
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1.5x scale

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.