Home / 3,808.14-5,706.30-2,640.42

Finding the Fourth Proportional to 3,808.14, 5,706.30 and 2,640.42

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Solution

The fourth proportional to 3,808.14, 5,706.30 and 2,640.42 is: 3,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.14 : 5,706.30 = 2,640.42 : x
  2. Step 2: Convert to fraction form
    3,808.14/5,706.30 = 2,640.42/x
  3. Step 3: Cross multiply
    3,808.14x = 5,706.30 × 2,640.42
  4. Step 4: Simplify right side
    3,808.14x = 15,067,028.65
  5. Step 5: Solve for x
    x = 15,067,028.65/3,808.14
  6. Step 6: Final answer
    x = 3,956.53

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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.