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Finding the Fourth Proportional to 2,873.62, 4,310.00 and 1,372.26

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Solution

The fourth proportional to 2,873.62, 4,310.00 and 1,372.26 is: 2,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.62 : 4,310.00 = 1,372.26 : x
  2. Step 2: Convert to fraction form
    2,873.62/4,310.00 = 1,372.26/x
  3. Step 3: Cross multiply
    2,873.62x = 4,310.00 × 1,372.26
  4. Step 4: Simplify right side
    2,873.62x = 5,914,422.96
  5. Step 5: Solve for x
    x = 5,914,422.96/2,873.62
  6. Step 6: Final answer
    x = 2,058.18

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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.