Home / 2,743.27-3,786.01-1,681.73

Finding the Fourth Proportional to 2,743.27, 3,786.01 and 1,681.73

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Solution

The fourth proportional to 2,743.27, 3,786.01 and 1,681.73 is: 2,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.27 : 3,786.01 = 1,681.73 : x
  2. Step 2: Convert to fraction form
    2,743.27/3,786.01 = 1,681.73/x
  3. Step 3: Cross multiply
    2,743.27x = 3,786.01 × 1,681.73
  4. Step 4: Simplify right side
    2,743.27x = 6,367,037.66
  5. Step 5: Solve for x
    x = 6,367,037.66/2,743.27
  6. Step 6: Final answer
    x = 2,320.97

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1.5x scale

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.