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Finding the Fourth Proportional to 3,531.82, 4,874.01 and 1,959.88

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Solution

The fourth proportional to 3,531.82, 4,874.01 and 1,959.88 is: 2,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.82 : 4,874.01 = 1,959.88 : x
  2. Step 2: Convert to fraction form
    3,531.82/4,874.01 = 1,959.88/x
  3. Step 3: Cross multiply
    3,531.82x = 4,874.01 × 1,959.88
  4. Step 4: Simplify right side
    3,531.82x = 9,552,450.35
  5. Step 5: Solve for x
    x = 9,552,450.35/3,531.82
  6. Step 6: Final answer
    x = 2,704.69

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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.