Home / 2,743.26-3,785.79-1,666.54

Finding the Fourth Proportional to 2,743.26, 3,785.79 and 1,666.54

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Solution

The fourth proportional to 2,743.26, 3,785.79 and 1,666.54 is: 2,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.26 : 3,785.79 = 1,666.54 : x
  2. Step 2: Convert to fraction form
    2,743.26/3,785.79 = 1,666.54/x
  3. Step 3: Cross multiply
    2,743.26x = 3,785.79 × 1,666.54
  4. Step 4: Simplify right side
    2,743.26x = 6,309,170.47
  5. Step 5: Solve for x
    x = 6,309,170.47/2,743.26
  6. Step 6: Final answer
    x = 2,299.88

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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.