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Finding the Fourth Proportional to 3,995.80, 5,993.82 and 1,074.16

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Solution

The fourth proportional to 3,995.80, 5,993.82 and 1,074.16 is: 1,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.80 : 5,993.82 = 1,074.16 : x
  2. Step 2: Convert to fraction form
    3,995.80/5,993.82 = 1,074.16/x
  3. Step 3: Cross multiply
    3,995.80x = 5,993.82 × 1,074.16
  4. Step 4: Simplify right side
    3,995.80x = 6,438,321.69
  5. Step 5: Solve for x
    x = 6,438,321.69/3,995.80
  6. Step 6: Final answer
    x = 1,611.27

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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.