Home / 2,255.36-3,383.20-794.56

Finding the Fourth Proportional to 2,255.36, 3,383.20 and 794.56

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Solution

The fourth proportional to 2,255.36, 3,383.20 and 794.56 is: 1,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.36 : 3,383.20 = 794.56 : x
  2. Step 2: Convert to fraction form
    2,255.36/3,383.20 = 794.56/x
  3. Step 3: Cross multiply
    2,255.36x = 3,383.20 × 794.56
  4. Step 4: Simplify right side
    2,255.36x = 2,688,155.39
  5. Step 5: Solve for x
    x = 2,688,155.39/2,255.36
  6. Step 6: Final answer
    x = 1,191.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.