Home / 2,743.96-3,785.20-1,747.48

Finding the Fourth Proportional to 2,743.96, 3,785.20 and 1,747.48

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Solution

The fourth proportional to 2,743.96, 3,785.20 and 1,747.48 is: 2,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.96 : 3,785.20 = 1,747.48 : x
  2. Step 2: Convert to fraction form
    2,743.96/3,785.20 = 1,747.48/x
  3. Step 3: Cross multiply
    2,743.96x = 3,785.20 × 1,747.48
  4. Step 4: Simplify right side
    2,743.96x = 6,614,561.30
  5. Step 5: Solve for x
    x = 6,614,561.30/2,743.96
  6. Step 6: Final answer
    x = 2,410.59

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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.