Home / 2,717.28-4,077.14-1,256.85

Finding the Fourth Proportional to 2,717.28, 4,077.14 and 1,256.85

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Solution

The fourth proportional to 2,717.28, 4,077.14 and 1,256.85 is: 1,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.28 : 4,077.14 = 1,256.85 : x
  2. Step 2: Convert to fraction form
    2,717.28/4,077.14 = 1,256.85/x
  3. Step 3: Cross multiply
    2,717.28x = 4,077.14 × 1,256.85
  4. Step 4: Simplify right side
    2,717.28x = 5,124,347.12
  5. Step 5: Solve for x
    x = 5,124,347.12/2,717.28
  6. Step 6: Final answer
    x = 1,885.84

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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.