Home / 2,749.26-4,119.57-2,126.08

Finding the Fourth Proportional to 2,749.26, 4,119.57 and 2,126.08

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Solution

The fourth proportional to 2,749.26, 4,119.57 and 2,126.08 is: 3,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.26 : 4,119.57 = 2,126.08 : x
  2. Step 2: Convert to fraction form
    2,749.26/4,119.57 = 2,126.08/x
  3. Step 3: Cross multiply
    2,749.26x = 4,119.57 × 2,126.08
  4. Step 4: Simplify right side
    2,749.26x = 8,758,524.76
  5. Step 5: Solve for x
    x = 8,758,524.76/2,749.26
  6. Step 6: Final answer
    x = 3,185.78

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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.