Home / 2,729.03-4,091.45-1,267.11

Finding the Fourth Proportional to 2,729.03, 4,091.45 and 1,267.11

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Solution

The fourth proportional to 2,729.03, 4,091.45 and 1,267.11 is: 1,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.03 : 4,091.45 = 1,267.11 : x
  2. Step 2: Convert to fraction form
    2,729.03/4,091.45 = 1,267.11/x
  3. Step 3: Cross multiply
    2,729.03x = 4,091.45 × 1,267.11
  4. Step 4: Simplify right side
    2,729.03x = 5,184,310.87
  5. Step 5: Solve for x
    x = 5,184,310.87/2,729.03
  6. Step 6: Final answer
    x = 1,899.69

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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.