Home / 2,729.40-4,093.50-1,267.76

Finding the Fourth Proportional to 2,729.40, 4,093.50 and 1,267.76

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Solution

The fourth proportional to 2,729.40, 4,093.50 and 1,267.76 is: 1,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.40 : 4,093.50 = 1,267.76 : x
  2. Step 2: Convert to fraction form
    2,729.40/4,093.50 = 1,267.76/x
  3. Step 3: Cross multiply
    2,729.40x = 4,093.50 × 1,267.76
  4. Step 4: Simplify right side
    2,729.40x = 5,189,575.56
  5. Step 5: Solve for x
    x = 5,189,575.56/2,729.40
  6. Step 6: Final answer
    x = 1,901.36

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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.