Home / 3,383.11-5,074.48-1,191.85

Finding the Fourth Proportional to 3,383.11, 5,074.48 and 1,191.85

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Solution

The fourth proportional to 3,383.11, 5,074.48 and 1,191.85 is: 1,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.11 : 5,074.48 = 1,191.85 : x
  2. Step 2: Convert to fraction form
    3,383.11/5,074.48 = 1,191.85/x
  3. Step 3: Cross multiply
    3,383.11x = 5,074.48 × 1,191.85
  4. Step 4: Simplify right side
    3,383.11x = 6,048,018.99
  5. Step 5: Solve for x
    x = 6,048,018.99/3,383.11
  6. Step 6: Final answer
    x = 1,787.71

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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.