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Finding the Fourth Proportional to 3,995.89, 5,993.52 and 1,222.58

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Solution

The fourth proportional to 3,995.89, 5,993.52 and 1,222.58 is: 1,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.89 : 5,993.52 = 1,222.58 : x
  2. Step 2: Convert to fraction form
    3,995.89/5,993.52 = 1,222.58/x
  3. Step 3: Cross multiply
    3,995.89x = 5,993.52 × 1,222.58
  4. Step 4: Simplify right side
    3,995.89x = 7,327,572.67
  5. Step 5: Solve for x
    x = 7,327,572.67/3,995.89
  6. Step 6: Final answer
    x = 1,833.78

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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.