Home / 3,272.86-4,906.37-1,191.40

Finding the Fourth Proportional to 3,272.86, 4,906.37 and 1,191.40

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Solution

The fourth proportional to 3,272.86, 4,906.37 and 1,191.40 is: 1,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.86 : 4,906.37 = 1,191.40 : x
  2. Step 2: Convert to fraction form
    3,272.86/4,906.37 = 1,191.40/x
  3. Step 3: Cross multiply
    3,272.86x = 4,906.37 × 1,191.40
  4. Step 4: Simplify right side
    3,272.86x = 5,845,418.73
  5. Step 5: Solve for x
    x = 5,845,418.73/3,272.86
  6. Step 6: Final answer
    x = 1,786.03

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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.