Home / 3,197.24-4,789.48-2,540.23

Finding the Fourth Proportional to 3,197.24, 4,789.48 and 2,540.23

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Solution

The fourth proportional to 3,197.24, 4,789.48 and 2,540.23 is: 3,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.24 : 4,789.48 = 2,540.23 : x
  2. Step 2: Convert to fraction form
    3,197.24/4,789.48 = 2,540.23/x
  3. Step 3: Cross multiply
    3,197.24x = 4,789.48 × 2,540.23
  4. Step 4: Simplify right side
    3,197.24x = 12,166,367.22
  5. Step 5: Solve for x
    x = 12,166,367.22/3,197.24
  6. Step 6: Final answer
    x = 3,805.27

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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.