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Finding the Fourth Proportional to 2,397.98, 3,592.16 and 1,097.66

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Solution

The fourth proportional to 2,397.98, 3,592.16 and 1,097.66 is: 1,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.98 : 3,592.16 = 1,097.66 : x
  2. Step 2: Convert to fraction form
    2,397.98/3,592.16 = 1,097.66/x
  3. Step 3: Cross multiply
    2,397.98x = 3,592.16 × 1,097.66
  4. Step 4: Simplify right side
    2,397.98x = 3,942,970.35
  5. Step 5: Solve for x
    x = 3,942,970.35/2,397.98
  6. Step 6: Final answer
    x = 1,644.29

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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.