Home / 3,011.28-4,156.72-2,696

Finding the Fourth Proportional to 3,011.28, 4,156.72 and 2,696

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Solution

The fourth proportional to 3,011.28, 4,156.72 and 2,696 is: 3,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.28 : 4,156.72 = 2,696 : x
  2. Step 2: Convert to fraction form
    3,011.28/4,156.72 = 2,696/x
  3. Step 3: Cross multiply
    3,011.28x = 4,156.72 × 2,696
  4. Step 4: Simplify right side
    3,011.28x = 11,206,517.12
  5. Step 5: Solve for x
    x = 11,206,517.12/3,011.28
  6. Step 6: Final answer
    x = 3,721.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.