Home / 2,282.33-3,422.97-639.04

Finding the Fourth Proportional to 2,282.33, 3,422.97 and 639.04

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Solution

The fourth proportional to 2,282.33, 3,422.97 and 639.04 is: 958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.33 : 3,422.97 = 639.04 : x
  2. Step 2: Convert to fraction form
    2,282.33/3,422.97 = 639.04/x
  3. Step 3: Cross multiply
    2,282.33x = 3,422.97 × 639.04
  4. Step 4: Simplify right side
    2,282.33x = 2,187,410.81
  5. Step 5: Solve for x
    x = 2,187,410.81/2,282.33
  6. Step 6: Final answer
    x = 958.41

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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.