Home / 2,118.36-3,179.76-1,194.72

Finding the Fourth Proportional to 2,118.36, 3,179.76 and 1,194.72

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Solution

The fourth proportional to 2,118.36, 3,179.76 and 1,194.72 is: 1,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.36 : 3,179.76 = 1,194.72 : x
  2. Step 2: Convert to fraction form
    2,118.36/3,179.76 = 1,194.72/x
  3. Step 3: Cross multiply
    2,118.36x = 3,179.76 × 1,194.72
  4. Step 4: Simplify right side
    2,118.36x = 3,798,922.87
  5. Step 5: Solve for x
    x = 3,798,922.87/2,118.36
  6. Step 6: Final answer
    x = 1,793.33

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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.