Home / 3,997.24-5,515.21-3,004.90

Finding the Fourth Proportional to 3,997.24, 5,515.21 and 3,004.90

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Solution

The fourth proportional to 3,997.24, 5,515.21 and 3,004.90 is: 4,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.24 : 5,515.21 = 3,004.90 : x
  2. Step 2: Convert to fraction form
    3,997.24/5,515.21 = 3,004.90/x
  3. Step 3: Cross multiply
    3,997.24x = 5,515.21 × 3,004.90
  4. Step 4: Simplify right side
    3,997.24x = 16,572,654.53
  5. Step 5: Solve for x
    x = 16,572,654.53/3,997.24
  6. Step 6: Final answer
    x = 4,146.02

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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.