Home / 2,717.39-4,074.19-1,310.96

Finding the Fourth Proportional to 2,717.39, 4,074.19 and 1,310.96

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Solution

The fourth proportional to 2,717.39, 4,074.19 and 1,310.96 is: 1,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.39 : 4,074.19 = 1,310.96 : x
  2. Step 2: Convert to fraction form
    2,717.39/4,074.19 = 1,310.96/x
  3. Step 3: Cross multiply
    2,717.39x = 4,074.19 × 1,310.96
  4. Step 4: Simplify right side
    2,717.39x = 5,341,100.12
  5. Step 5: Solve for x
    x = 5,341,100.12/2,717.39
  6. Step 6: Final answer
    x = 1,965.53

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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.