Home / 3,997.43-5,516.12-2,318.94

Finding the Fourth Proportional to 3,997.43, 5,516.12 and 2,318.94

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Solution

The fourth proportional to 3,997.43, 5,516.12 and 2,318.94 is: 3,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.43 : 5,516.12 = 2,318.94 : x
  2. Step 2: Convert to fraction form
    3,997.43/5,516.12 = 2,318.94/x
  3. Step 3: Cross multiply
    3,997.43x = 5,516.12 × 2,318.94
  4. Step 4: Simplify right side
    3,997.43x = 12,791,539.72
  5. Step 5: Solve for x
    x = 12,791,539.72/3,997.43
  6. Step 6: Final answer
    x = 3,199.94

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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.