Home / 3,223.30-4,836.10-1,989.27

Finding the Fourth Proportional to 3,223.30, 4,836.10 and 1,989.27

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Solution

The fourth proportional to 3,223.30, 4,836.10 and 1,989.27 is: 2,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.30 : 4,836.10 = 1,989.27 : x
  2. Step 2: Convert to fraction form
    3,223.30/4,836.10 = 1,989.27/x
  3. Step 3: Cross multiply
    3,223.30x = 4,836.10 × 1,989.27
  4. Step 4: Simplify right side
    3,223.30x = 9,620,308.65
  5. Step 5: Solve for x
    x = 9,620,308.65/3,223.30
  6. Step 6: Final answer
    x = 2,984.61

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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.