Home / 2,717.26-4,077.16-1,256.70

Finding the Fourth Proportional to 2,717.26, 4,077.16 and 1,256.70

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Solution

The fourth proportional to 2,717.26, 4,077.16 and 1,256.70 is: 1,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.26 : 4,077.16 = 1,256.70 : x
  2. Step 2: Convert to fraction form
    2,717.26/4,077.16 = 1,256.70/x
  3. Step 3: Cross multiply
    2,717.26x = 4,077.16 × 1,256.70
  4. Step 4: Simplify right side
    2,717.26x = 5,123,766.97
  5. Step 5: Solve for x
    x = 5,123,766.97/2,717.26
  6. Step 6: Final answer
    x = 1,885.64

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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.