Home / 3,969.12-5,952.66-1,336.21

Finding the Fourth Proportional to 3,969.12, 5,952.66 and 1,336.21

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Solution

The fourth proportional to 3,969.12, 5,952.66 and 1,336.21 is: 2,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.12 : 5,952.66 = 1,336.21 : x
  2. Step 2: Convert to fraction form
    3,969.12/5,952.66 = 1,336.21/x
  3. Step 3: Cross multiply
    3,969.12x = 5,952.66 × 1,336.21
  4. Step 4: Simplify right side
    3,969.12x = 7,954,003.82
  5. Step 5: Solve for x
    x = 7,954,003.82/3,969.12
  6. Step 6: Final answer
    x = 2,003.97

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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.