Home / 2,191.44-3,287.94-1,368.75

Finding the Fourth Proportional to 2,191.44, 3,287.94 and 1,368.75

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Solution

The fourth proportional to 2,191.44, 3,287.94 and 1,368.75 is: 2,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.44 : 3,287.94 = 1,368.75 : x
  2. Step 2: Convert to fraction form
    2,191.44/3,287.94 = 1,368.75/x
  3. Step 3: Cross multiply
    2,191.44x = 3,287.94 × 1,368.75
  4. Step 4: Simplify right side
    2,191.44x = 4,500,367.88
  5. Step 5: Solve for x
    x = 4,500,367.88/2,191.44
  6. Step 6: Final answer
    x = 2,053.61

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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.