Home / 2,201.28-3,303.14-1,324.05

Finding the Fourth Proportional to 2,201.28, 3,303.14 and 1,324.05

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Solution

The fourth proportional to 2,201.28, 3,303.14 and 1,324.05 is: 1,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.28 : 3,303.14 = 1,324.05 : x
  2. Step 2: Convert to fraction form
    2,201.28/3,303.14 = 1,324.05/x
  3. Step 3: Cross multiply
    2,201.28x = 3,303.14 × 1,324.05
  4. Step 4: Simplify right side
    2,201.28x = 4,373,515.90
  5. Step 5: Solve for x
    x = 4,373,515.90/2,201.28
  6. Step 6: Final answer
    x = 1,986.81

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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.