Home / 3,522.38-5,284.37-1,213.88

Finding the Fourth Proportional to 3,522.38, 5,284.37 and 1,213.88

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Solution

The fourth proportional to 3,522.38, 5,284.37 and 1,213.88 is: 1,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.38 : 5,284.37 = 1,213.88 : x
  2. Step 2: Convert to fraction form
    3,522.38/5,284.37 = 1,213.88/x
  3. Step 3: Cross multiply
    3,522.38x = 5,284.37 × 1,213.88
  4. Step 4: Simplify right side
    3,522.38x = 6,414,567.67
  5. Step 5: Solve for x
    x = 6,414,567.67/3,522.38
  6. Step 6: Final answer
    x = 1,821.09

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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.