Home / 2,716.68-4,073.60-1,256.86

Finding the Fourth Proportional to 2,716.68, 4,073.60 and 1,256.86

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Solution

The fourth proportional to 2,716.68, 4,073.60 and 1,256.86 is: 1,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.68 : 4,073.60 = 1,256.86 : x
  2. Step 2: Convert to fraction form
    2,716.68/4,073.60 = 1,256.86/x
  3. Step 3: Cross multiply
    2,716.68x = 4,073.60 × 1,256.86
  4. Step 4: Simplify right side
    2,716.68x = 5,119,937.85
  5. Step 5: Solve for x
    x = 5,119,937.85/2,716.68
  6. Step 6: Final answer
    x = 1,884.63

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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.