Home / 3,944.60-5,445.42-2,771.84

Finding the Fourth Proportional to 3,944.60, 5,445.42 and 2,771.84

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Solution

The fourth proportional to 3,944.60, 5,445.42 and 2,771.84 is: 3,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.60 : 5,445.42 = 2,771.84 : x
  2. Step 2: Convert to fraction form
    3,944.60/5,445.42 = 2,771.84/x
  3. Step 3: Cross multiply
    3,944.60x = 5,445.42 × 2,771.84
  4. Step 4: Simplify right side
    3,944.60x = 15,093,832.97
  5. Step 5: Solve for x
    x = 15,093,832.97/3,944.60
  6. Step 6: Final answer
    x = 3,826.45

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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.