Home / 3,811.59-5,717.12-2,696.36

Finding the Fourth Proportional to 3,811.59, 5,717.12 and 2,696.36

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Solution

The fourth proportional to 3,811.59, 5,717.12 and 2,696.36 is: 4,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.59 : 5,717.12 = 2,696.36 : x
  2. Step 2: Convert to fraction form
    3,811.59/5,717.12 = 2,696.36/x
  3. Step 3: Cross multiply
    3,811.59x = 5,717.12 × 2,696.36
  4. Step 4: Simplify right side
    3,811.59x = 15,415,371.62
  5. Step 5: Solve for x
    x = 15,415,371.62/3,811.59
  6. Step 6: Final answer
    x = 4,044.34

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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.