Home / 3,243.80-4,865.66-2,201.22

Finding the Fourth Proportional to 3,243.80, 4,865.66 and 2,201.22

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Solution

The fourth proportional to 3,243.80, 4,865.66 and 2,201.22 is: 3,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.80 : 4,865.66 = 2,201.22 : x
  2. Step 2: Convert to fraction form
    3,243.80/4,865.66 = 2,201.22/x
  3. Step 3: Cross multiply
    3,243.80x = 4,865.66 × 2,201.22
  4. Step 4: Simplify right side
    3,243.80x = 10,710,388.11
  5. Step 5: Solve for x
    x = 10,710,388.11/3,243.80
  6. Step 6: Final answer
    x = 3,301.80

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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.