Home / 3,354.82-5,033.14-2,120.53

Finding the Fourth Proportional to 3,354.82, 5,033.14 and 2,120.53

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Solution

The fourth proportional to 3,354.82, 5,033.14 and 2,120.53 is: 3,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.82 : 5,033.14 = 2,120.53 : x
  2. Step 2: Convert to fraction form
    3,354.82/5,033.14 = 2,120.53/x
  3. Step 3: Cross multiply
    3,354.82x = 5,033.14 × 2,120.53
  4. Step 4: Simplify right side
    3,354.82x = 10,672,915.92
  5. Step 5: Solve for x
    x = 10,672,915.92/3,354.82
  6. Step 6: Final answer
    x = 3,181.37

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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.