Home / 2,741.56-4,113.66-1,279.96

Finding the Fourth Proportional to 2,741.56, 4,113.66 and 1,279.96

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Solution

The fourth proportional to 2,741.56, 4,113.66 and 1,279.96 is: 1,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.56 : 4,113.66 = 1,279.96 : x
  2. Step 2: Convert to fraction form
    2,741.56/4,113.66 = 1,279.96/x
  3. Step 3: Cross multiply
    2,741.56x = 4,113.66 × 1,279.96
  4. Step 4: Simplify right side
    2,741.56x = 5,265,320.25
  5. Step 5: Solve for x
    x = 5,265,320.25/2,741.56
  6. Step 6: Final answer
    x = 1,920.56

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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.