Home / 2,268.18-3,402.87-1,227.72

Finding the Fourth Proportional to 2,268.18, 3,402.87 and 1,227.72

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Solution

The fourth proportional to 2,268.18, 3,402.87 and 1,227.72 is: 1,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.18 : 3,402.87 = 1,227.72 : x
  2. Step 2: Convert to fraction form
    2,268.18/3,402.87 = 1,227.72/x
  3. Step 3: Cross multiply
    2,268.18x = 3,402.87 × 1,227.72
  4. Step 4: Simplify right side
    2,268.18x = 4,177,771.56
  5. Step 5: Solve for x
    x = 4,177,771.56/2,268.18
  6. Step 6: Final answer
    x = 1,841.90

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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.