Home / 3,982.55-5,973.44-1,209.25

Finding the Fourth Proportional to 3,982.55, 5,973.44 and 1,209.25

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Solution

The fourth proportional to 3,982.55, 5,973.44 and 1,209.25 is: 1,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.55 : 5,973.44 = 1,209.25 : x
  2. Step 2: Convert to fraction form
    3,982.55/5,973.44 = 1,209.25/x
  3. Step 3: Cross multiply
    3,982.55x = 5,973.44 × 1,209.25
  4. Step 4: Simplify right side
    3,982.55x = 7,223,387.65
  5. Step 5: Solve for x
    x = 7,223,387.65/3,982.55
  6. Step 6: Final answer
    x = 1,813.76

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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.