Home / 2,231.75-3,346.65-1,191.52

Finding the Fourth Proportional to 2,231.75, 3,346.65 and 1,191.52

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Solution

The fourth proportional to 2,231.75, 3,346.65 and 1,191.52 is: 1,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.75 : 3,346.65 = 1,191.52 : x
  2. Step 2: Convert to fraction form
    2,231.75/3,346.65 = 1,191.52/x
  3. Step 3: Cross multiply
    2,231.75x = 3,346.65 × 1,191.52
  4. Step 4: Simplify right side
    2,231.75x = 3,987,600.41
  5. Step 5: Solve for x
    x = 3,987,600.41/2,231.75
  6. Step 6: Final answer
    x = 1,786.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.