Home / 3,738.52-5,155.86-2,743.66

Finding the Fourth Proportional to 3,738.52, 5,155.86 and 2,743.66

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Solution

The fourth proportional to 3,738.52, 5,155.86 and 2,743.66 is: 3,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.52 : 5,155.86 = 2,743.66 : x
  2. Step 2: Convert to fraction form
    3,738.52/5,155.86 = 2,743.66/x
  3. Step 3: Cross multiply
    3,738.52x = 5,155.86 × 2,743.66
  4. Step 4: Simplify right side
    3,738.52x = 14,145,926.85
  5. Step 5: Solve for x
    x = 14,145,926.85/3,738.52
  6. Step 6: Final answer
    x = 3,783.83

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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.