Home / 2,743.85-3,788.58-2,738.38

Finding the Fourth Proportional to 2,743.85, 3,788.58 and 2,738.38

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Solution

The fourth proportional to 2,743.85, 3,788.58 and 2,738.38 is: 3,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.85 : 3,788.58 = 2,738.38 : x
  2. Step 2: Convert to fraction form
    2,743.85/3,788.58 = 2,738.38/x
  3. Step 3: Cross multiply
    2,743.85x = 3,788.58 × 2,738.38
  4. Step 4: Simplify right side
    2,743.85x = 10,374,571.70
  5. Step 5: Solve for x
    x = 10,374,571.70/2,743.85
  6. Step 6: Final answer
    x = 3,781.03

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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.