Home / 2,743.47-4,107.00-1,866.85

Finding the Fourth Proportional to 2,743.47, 4,107.00 and 1,866.85

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Solution

The fourth proportional to 2,743.47, 4,107.00 and 1,866.85 is: 2,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.47 : 4,107.00 = 1,866.85 : x
  2. Step 2: Convert to fraction form
    2,743.47/4,107.00 = 1,866.85/x
  3. Step 3: Cross multiply
    2,743.47x = 4,107.00 × 1,866.85
  4. Step 4: Simplify right side
    2,743.47x = 7,667,149.68
  5. Step 5: Solve for x
    x = 7,667,149.68/2,743.47
  6. Step 6: Final answer
    x = 2,794.69

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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.