Home / 3,997.62-5,515.65-2,382.30

Finding the Fourth Proportional to 3,997.62, 5,515.65 and 2,382.30

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Solution

The fourth proportional to 3,997.62, 5,515.65 and 2,382.30 is: 3,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.62 : 5,515.65 = 2,382.30 : x
  2. Step 2: Convert to fraction form
    3,997.62/5,515.65 = 2,382.30/x
  3. Step 3: Cross multiply
    3,997.62x = 5,515.65 × 2,382.30
  4. Step 4: Simplify right side
    3,997.62x = 13,139,933.00
  5. Step 5: Solve for x
    x = 13,139,933.00/3,997.62
  6. Step 6: Final answer
    x = 3,286.94

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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.