Home / 3,218.67-4,433.83-2,745.03

Finding the Fourth Proportional to 3,218.67, 4,433.83 and 2,745.03

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Solution

The fourth proportional to 3,218.67, 4,433.83 and 2,745.03 is: 3,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.67 : 4,433.83 = 2,745.03 : x
  2. Step 2: Convert to fraction form
    3,218.67/4,433.83 = 2,745.03/x
  3. Step 3: Cross multiply
    3,218.67x = 4,433.83 × 2,745.03
  4. Step 4: Simplify right side
    3,218.67x = 12,170,996.36
  5. Step 5: Solve for x
    x = 12,170,996.36/3,218.67
  6. Step 6: Final answer
    x = 3,781.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.