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Finding the Fourth Proportional to 3,552.72, 4,902 and 2,207.88

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Solution

The fourth proportional to 3,552.72, 4,902 and 2,207.88 is: 3,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.72 : 4,902 = 2,207.88 : x
  2. Step 2: Convert to fraction form
    3,552.72/4,902 = 2,207.88/x
  3. Step 3: Cross multiply
    3,552.72x = 4,902 × 2,207.88
  4. Step 4: Simplify right side
    3,552.72x = 10,823,027.76
  5. Step 5: Solve for x
    x = 10,823,027.76/3,552.72
  6. Step 6: Final answer
    x = 3,046.41

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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.