Home / 2,179.31-3,266.68-1,067.19

Finding the Fourth Proportional to 2,179.31, 3,266.68 and 1,067.19

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Solution

The fourth proportional to 2,179.31, 3,266.68 and 1,067.19 is: 1,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.31 : 3,266.68 = 1,067.19 : x
  2. Step 2: Convert to fraction form
    2,179.31/3,266.68 = 1,067.19/x
  3. Step 3: Cross multiply
    2,179.31x = 3,266.68 × 1,067.19
  4. Step 4: Simplify right side
    2,179.31x = 3,486,173.69
  5. Step 5: Solve for x
    x = 3,486,173.69/2,179.31
  6. Step 6: Final answer
    x = 1,599.67

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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.