Home / 2,722.32-3,754.62-1,778.04

Finding the Fourth Proportional to 2,722.32, 3,754.62 and 1,778.04

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Solution

The fourth proportional to 2,722.32, 3,754.62 and 1,778.04 is: 2,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.32 : 3,754.62 = 1,778.04 : x
  2. Step 2: Convert to fraction form
    2,722.32/3,754.62 = 1,778.04/x
  3. Step 3: Cross multiply
    2,722.32x = 3,754.62 × 1,778.04
  4. Step 4: Simplify right side
    2,722.32x = 6,675,864.54
  5. Step 5: Solve for x
    x = 6,675,864.54/2,722.32
  6. Step 6: Final answer
    x = 2,452.27

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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.