Home / 2,747.25-3,794.45-1,861.52

Finding the Fourth Proportional to 2,747.25, 3,794.45 and 1,861.52

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Solution

The fourth proportional to 2,747.25, 3,794.45 and 1,861.52 is: 2,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.25 : 3,794.45 = 1,861.52 : x
  2. Step 2: Convert to fraction form
    2,747.25/3,794.45 = 1,861.52/x
  3. Step 3: Cross multiply
    2,747.25x = 3,794.45 × 1,861.52
  4. Step 4: Simplify right side
    2,747.25x = 7,063,416.28
  5. Step 5: Solve for x
    x = 7,063,416.28/2,747.25
  6. Step 6: Final answer
    x = 2,571.09

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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.