Home / 3,996.24-5,995.20-1,399.20

Finding the Fourth Proportional to 3,996.24, 5,995.20 and 1,399.20

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Solution

The fourth proportional to 3,996.24, 5,995.20 and 1,399.20 is: 2,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.24 : 5,995.20 = 1,399.20 : x
  2. Step 2: Convert to fraction form
    3,996.24/5,995.20 = 1,399.20/x
  3. Step 3: Cross multiply
    3,996.24x = 5,995.20 × 1,399.20
  4. Step 4: Simplify right side
    3,996.24x = 8,388,483.84
  5. Step 5: Solve for x
    x = 8,388,483.84/3,996.24
  6. Step 6: Final answer
    x = 2,099.09

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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.