Home / 3,993.35-5,987.98-2,146.02

Finding the Fourth Proportional to 3,993.35, 5,987.98 and 2,146.02

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Solution

The fourth proportional to 3,993.35, 5,987.98 and 2,146.02 is: 3,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.35 : 5,987.98 = 2,146.02 : x
  2. Step 2: Convert to fraction form
    3,993.35/5,987.98 = 2,146.02/x
  3. Step 3: Cross multiply
    3,993.35x = 5,987.98 × 2,146.02
  4. Step 4: Simplify right side
    3,993.35x = 12,850,324.84
  5. Step 5: Solve for x
    x = 12,850,324.84/3,993.35
  6. Step 6: Final answer
    x = 3,217.93

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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.