Home / 3,785.31-5,678.97-2,696.58

Finding the Fourth Proportional to 3,785.31, 5,678.97 and 2,696.58

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Solution

The fourth proportional to 3,785.31, 5,678.97 and 2,696.58 is: 4,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.31 : 5,678.97 = 2,696.58 : x
  2. Step 2: Convert to fraction form
    3,785.31/5,678.97 = 2,696.58/x
  3. Step 3: Cross multiply
    3,785.31x = 5,678.97 × 2,696.58
  4. Step 4: Simplify right side
    3,785.31x = 15,313,796.92
  5. Step 5: Solve for x
    x = 15,313,796.92/3,785.31
  6. Step 6: Final answer
    x = 4,045.59

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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.