Home / 3,997.14-5,515.99-2,318.83

Finding the Fourth Proportional to 3,997.14, 5,515.99 and 2,318.83

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Solution

The fourth proportional to 3,997.14, 5,515.99 and 2,318.83 is: 3,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.14 : 5,515.99 = 2,318.83 : x
  2. Step 2: Convert to fraction form
    3,997.14/5,515.99 = 2,318.83/x
  3. Step 3: Cross multiply
    3,997.14x = 5,515.99 × 2,318.83
  4. Step 4: Simplify right side
    3,997.14x = 12,790,623.50
  5. Step 5: Solve for x
    x = 12,790,623.50/3,997.14
  6. Step 6: Final answer
    x = 3,199.95

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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.