Home / 3,231.80-4,847.26-1,151.25

Finding the Fourth Proportional to 3,231.80, 4,847.26 and 1,151.25

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Solution

The fourth proportional to 3,231.80, 4,847.26 and 1,151.25 is: 1,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.80 : 4,847.26 = 1,151.25 : x
  2. Step 2: Convert to fraction form
    3,231.80/4,847.26 = 1,151.25/x
  3. Step 3: Cross multiply
    3,231.80x = 4,847.26 × 1,151.25
  4. Step 4: Simplify right side
    3,231.80x = 5,580,408.08
  5. Step 5: Solve for x
    x = 5,580,408.08/3,231.80
  6. Step 6: Final answer
    x = 1,726.72

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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.