Home / 3,869.75-5,343.90-2,694.04

Finding the Fourth Proportional to 3,869.75, 5,343.90 and 2,694.04

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Solution

The fourth proportional to 3,869.75, 5,343.90 and 2,694.04 is: 3,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.75 : 5,343.90 = 2,694.04 : x
  2. Step 2: Convert to fraction form
    3,869.75/5,343.90 = 2,694.04/x
  3. Step 3: Cross multiply
    3,869.75x = 5,343.90 × 2,694.04
  4. Step 4: Simplify right side
    3,869.75x = 14,396,680.36
  5. Step 5: Solve for x
    x = 14,396,680.36/3,869.75
  6. Step 6: Final answer
    x = 3,720.31

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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.