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Finding the Fourth Proportional to 4,201.62, 6,304.05 and 1,891.50

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Solution

The fourth proportional to 4,201.62, 6,304.05 and 1,891.50 is: 2,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.62 : 6,304.05 = 1,891.50 : x
  2. Step 2: Convert to fraction form
    4,201.62/6,304.05 = 1,891.50/x
  3. Step 3: Cross multiply
    4,201.62x = 6,304.05 × 1,891.50
  4. Step 4: Simplify right side
    4,201.62x = 11,924,110.58
  5. Step 5: Solve for x
    x = 11,924,110.58/4,201.62
  6. Step 6: Final answer
    x = 2,837.98

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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.