Home / 3,983.26-5,975.07-1,209.96

Finding the Fourth Proportional to 3,983.26, 5,975.07 and 1,209.96

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Solution

The fourth proportional to 3,983.26, 5,975.07 and 1,209.96 is: 1,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.26 : 5,975.07 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    3,983.26/5,975.07 = 1,209.96/x
  3. Step 3: Cross multiply
    3,983.26x = 5,975.07 × 1,209.96
  4. Step 4: Simplify right side
    3,983.26x = 7,229,595.70
  5. Step 5: Solve for x
    x = 7,229,595.70/3,983.26
  6. Step 6: Final answer
    x = 1,814.99

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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.