Home / 2,253.08-3,375.54-1,211.99

Finding the Fourth Proportional to 2,253.08, 3,375.54 and 1,211.99

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Solution

The fourth proportional to 2,253.08, 3,375.54 and 1,211.99 is: 1,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.08 : 3,375.54 = 1,211.99 : x
  2. Step 2: Convert to fraction form
    2,253.08/3,375.54 = 1,211.99/x
  3. Step 3: Cross multiply
    2,253.08x = 3,375.54 × 1,211.99
  4. Step 4: Simplify right side
    2,253.08x = 4,091,103.85
  5. Step 5: Solve for x
    x = 4,091,103.85/2,253.08
  6. Step 6: Final answer
    x = 1,815.78

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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.