Home / 2,717.28-4,077.36-2,071.92

Finding the Fourth Proportional to 2,717.28, 4,077.36 and 2,071.92

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Solution

The fourth proportional to 2,717.28, 4,077.36 and 2,071.92 is: 3,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.28 : 4,077.36 = 2,071.92 : x
  2. Step 2: Convert to fraction form
    2,717.28/4,077.36 = 2,071.92/x
  3. Step 3: Cross multiply
    2,717.28x = 4,077.36 × 2,071.92
  4. Step 4: Simplify right side
    2,717.28x = 8,447,963.73
  5. Step 5: Solve for x
    x = 8,447,963.73/2,717.28
  6. Step 6: Final answer
    x = 3,108.98

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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.