Home / 2,743.47-3,785.94-1,623.85

Finding the Fourth Proportional to 2,743.47, 3,785.94 and 1,623.85

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Solution

The fourth proportional to 2,743.47, 3,785.94 and 1,623.85 is: 2,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.47 : 3,785.94 = 1,623.85 : x
  2. Step 2: Convert to fraction form
    2,743.47/3,785.94 = 1,623.85/x
  3. Step 3: Cross multiply
    2,743.47x = 3,785.94 × 1,623.85
  4. Step 4: Simplify right side
    2,743.47x = 6,147,789.20
  5. Step 5: Solve for x
    x = 6,147,789.20/2,743.47
  6. Step 6: Final answer
    x = 2,240.88

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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.