Home / 2,729.67-4,091.20-1,246.86

Finding the Fourth Proportional to 2,729.67, 4,091.20 and 1,246.86

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Solution

The fourth proportional to 2,729.67, 4,091.20 and 1,246.86 is: 1,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.67 : 4,091.20 = 1,246.86 : x
  2. Step 2: Convert to fraction form
    2,729.67/4,091.20 = 1,246.86/x
  3. Step 3: Cross multiply
    2,729.67x = 4,091.20 × 1,246.86
  4. Step 4: Simplify right side
    2,729.67x = 5,101,153.63
  5. Step 5: Solve for x
    x = 5,101,153.63/2,729.67
  6. Step 6: Final answer
    x = 1,868.78

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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.