Home / 3,928.10-5,884.38-2,996.73

Finding the Fourth Proportional to 3,928.10, 5,884.38 and 2,996.73

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Solution

The fourth proportional to 3,928.10, 5,884.38 and 2,996.73 is: 4,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.10 : 5,884.38 = 2,996.73 : x
  2. Step 2: Convert to fraction form
    3,928.10/5,884.38 = 2,996.73/x
  3. Step 3: Cross multiply
    3,928.10x = 5,884.38 × 2,996.73
  4. Step 4: Simplify right side
    3,928.10x = 17,633,898.08
  5. Step 5: Solve for x
    x = 17,633,898.08/3,928.10
  6. Step 6: Final answer
    x = 4,489.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.