Home / 3,631.27-5,447.73-1,322.75

Finding the Fourth Proportional to 3,631.27, 5,447.73 and 1,322.75

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Solution

The fourth proportional to 3,631.27, 5,447.73 and 1,322.75 is: 1,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.27 : 5,447.73 = 1,322.75 : x
  2. Step 2: Convert to fraction form
    3,631.27/5,447.73 = 1,322.75/x
  3. Step 3: Cross multiply
    3,631.27x = 5,447.73 × 1,322.75
  4. Step 4: Simplify right side
    3,631.27x = 7,205,978.24
  5. Step 5: Solve for x
    x = 7,205,978.24/3,631.27
  6. Step 6: Final answer
    x = 1,984.42

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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.