Home / 3,997.05-5,512.98-2,650.22

Finding the Fourth Proportional to 3,997.05, 5,512.98 and 2,650.22

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Solution

The fourth proportional to 3,997.05, 5,512.98 and 2,650.22 is: 3,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.05 : 5,512.98 = 2,650.22 : x
  2. Step 2: Convert to fraction form
    3,997.05/5,512.98 = 2,650.22/x
  3. Step 3: Cross multiply
    3,997.05x = 5,512.98 × 2,650.22
  4. Step 4: Simplify right side
    3,997.05x = 14,610,609.86
  5. Step 5: Solve for x
    x = 14,610,609.86/3,997.05
  6. Step 6: Final answer
    x = 3,655.35

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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.