Home / 3,997.22-5,514.87-2,228.48

Finding the Fourth Proportional to 3,997.22, 5,514.87 and 2,228.48

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Solution

The fourth proportional to 3,997.22, 5,514.87 and 2,228.48 is: 3,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.22 : 5,514.87 = 2,228.48 : x
  2. Step 2: Convert to fraction form
    3,997.22/5,514.87 = 2,228.48/x
  3. Step 3: Cross multiply
    3,997.22x = 5,514.87 × 2,228.48
  4. Step 4: Simplify right side
    3,997.22x = 12,289,777.50
  5. Step 5: Solve for x
    x = 12,289,777.50/3,997.22
  6. Step 6: Final answer
    x = 3,074.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.