Home / 3,467.72-5,189.40-2,986.60

Finding the Fourth Proportional to 3,467.72, 5,189.40 and 2,986.60

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Solution

The fourth proportional to 3,467.72, 5,189.40 and 2,986.60 is: 4,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.72 : 5,189.40 = 2,986.60 : x
  2. Step 2: Convert to fraction form
    3,467.72/5,189.40 = 2,986.60/x
  3. Step 3: Cross multiply
    3,467.72x = 5,189.40 × 2,986.60
  4. Step 4: Simplify right side
    3,467.72x = 15,498,662.04
  5. Step 5: Solve for x
    x = 15,498,662.04/3,467.72
  6. Step 6: Final answer
    x = 4,469.41

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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.