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Finding the Fourth Proportional to 3,469.03, 4,787.30 and 1,897.17

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Solution

The fourth proportional to 3,469.03, 4,787.30 and 1,897.17 is: 2,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.03 : 4,787.30 = 1,897.17 : x
  2. Step 2: Convert to fraction form
    3,469.03/4,787.30 = 1,897.17/x
  3. Step 3: Cross multiply
    3,469.03x = 4,787.30 × 1,897.17
  4. Step 4: Simplify right side
    3,469.03x = 9,082,321.94
  5. Step 5: Solve for x
    x = 9,082,321.94/3,469.03
  6. Step 6: Final answer
    x = 2,618.12

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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.