Home / 3,872.83-5,344.30-2,104.43

Finding the Fourth Proportional to 3,872.83, 5,344.30 and 2,104.43

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Solution

The fourth proportional to 3,872.83, 5,344.30 and 2,104.43 is: 2,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.83 : 5,344.30 = 2,104.43 : x
  2. Step 2: Convert to fraction form
    3,872.83/5,344.30 = 2,104.43/x
  3. Step 3: Cross multiply
    3,872.83x = 5,344.30 × 2,104.43
  4. Step 4: Simplify right side
    3,872.83x = 11,246,705.25
  5. Step 5: Solve for x
    x = 11,246,705.25/3,872.83
  6. Step 6: Final answer
    x = 2,904.00

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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.