Home / 2,187.26-3,282.41-954.03

Finding the Fourth Proportional to 2,187.26, 3,282.41 and 954.03

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Solution

The fourth proportional to 2,187.26, 3,282.41 and 954.03 is: 1,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.26 : 3,282.41 = 954.03 : x
  2. Step 2: Convert to fraction form
    2,187.26/3,282.41 = 954.03/x
  3. Step 3: Cross multiply
    2,187.26x = 3,282.41 × 954.03
  4. Step 4: Simplify right side
    2,187.26x = 3,131,512.84
  5. Step 5: Solve for x
    x = 3,131,512.84/2,187.26
  6. Step 6: Final answer
    x = 1,431.71

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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.