Home / 3,926.27-5,889.25-1,329.21

Finding the Fourth Proportional to 3,926.27, 5,889.25 and 1,329.21

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Solution

The fourth proportional to 3,926.27, 5,889.25 and 1,329.21 is: 1,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.27 : 5,889.25 = 1,329.21 : x
  2. Step 2: Convert to fraction form
    3,926.27/5,889.25 = 1,329.21/x
  3. Step 3: Cross multiply
    3,926.27x = 5,889.25 × 1,329.21
  4. Step 4: Simplify right side
    3,926.27x = 7,828,049.99
  5. Step 5: Solve for x
    x = 7,828,049.99/3,926.27
  6. Step 6: Final answer
    x = 1,993.76

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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.