Home / 3,383.10-5,072.67-1,191.42

Finding the Fourth Proportional to 3,383.10, 5,072.67 and 1,191.42

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Solution

The fourth proportional to 3,383.10, 5,072.67 and 1,191.42 is: 1,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.10 : 5,072.67 = 1,191.42 : x
  2. Step 2: Convert to fraction form
    3,383.10/5,072.67 = 1,191.42/x
  3. Step 3: Cross multiply
    3,383.10x = 5,072.67 × 1,191.42
  4. Step 4: Simplify right side
    3,383.10x = 6,043,680.49
  5. Step 5: Solve for x
    x = 6,043,680.49/3,383.10
  6. Step 6: Final answer
    x = 1,786.43

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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.