Home / 3,222.90-4,836.70-1,469.88

Finding the Fourth Proportional to 3,222.90, 4,836.70 and 1,469.88

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Solution

The fourth proportional to 3,222.90, 4,836.70 and 1,469.88 is: 2,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.90 : 4,836.70 = 1,469.88 : x
  2. Step 2: Convert to fraction form
    3,222.90/4,836.70 = 1,469.88/x
  3. Step 3: Cross multiply
    3,222.90x = 4,836.70 × 1,469.88
  4. Step 4: Simplify right side
    3,222.90x = 7,109,368.60
  5. Step 5: Solve for x
    x = 7,109,368.60/3,222.90
  6. Step 6: Final answer
    x = 2,205.89

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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.