Home / 3,995.31-5,993.85-1,222.20

Finding the Fourth Proportional to 3,995.31, 5,993.85 and 1,222.20

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Solution

The fourth proportional to 3,995.31, 5,993.85 and 1,222.20 is: 1,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.31 : 5,993.85 = 1,222.20 : x
  2. Step 2: Convert to fraction form
    3,995.31/5,993.85 = 1,222.20/x
  3. Step 3: Cross multiply
    3,995.31x = 5,993.85 × 1,222.20
  4. Step 4: Simplify right side
    3,995.31x = 7,325,647.39
  5. Step 5: Solve for x
    x = 7,325,647.39/3,995.31
  6. Step 6: Final answer
    x = 1,833.56

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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.