Home / 2,736.20-4,092.10-2,005.04

Finding the Fourth Proportional to 2,736.20, 4,092.10 and 2,005.04

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Solution

The fourth proportional to 2,736.20, 4,092.10 and 2,005.04 is: 2,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.20 : 4,092.10 = 2,005.04 : x
  2. Step 2: Convert to fraction form
    2,736.20/4,092.10 = 2,005.04/x
  3. Step 3: Cross multiply
    2,736.20x = 4,092.10 × 2,005.04
  4. Step 4: Simplify right side
    2,736.20x = 8,204,824.18
  5. Step 5: Solve for x
    x = 8,204,824.18/2,736.20
  6. Step 6: Final answer
    x = 2,998.62

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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.