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Finding the Fourth Proportional to 3,995.65, 5,993.44 and 1,222.31

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Solution

The fourth proportional to 3,995.65, 5,993.44 and 1,222.31 is: 1,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.65 : 5,993.44 = 1,222.31 : x
  2. Step 2: Convert to fraction form
    3,995.65/5,993.44 = 1,222.31/x
  3. Step 3: Cross multiply
    3,995.65x = 5,993.44 × 1,222.31
  4. Step 4: Simplify right side
    3,995.65x = 7,325,805.57
  5. Step 5: Solve for x
    x = 7,325,805.57/3,995.65
  6. Step 6: Final answer
    x = 1,833.45

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Double scale
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Similar ratio
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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.