Home / 2,136.88-3,204.73-1,355.73

Finding the Fourth Proportional to 2,136.88, 3,204.73 and 1,355.73

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Solution

The fourth proportional to 2,136.88, 3,204.73 and 1,355.73 is: 2,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.88 : 3,204.73 = 1,355.73 : x
  2. Step 2: Convert to fraction form
    2,136.88/3,204.73 = 1,355.73/x
  3. Step 3: Cross multiply
    2,136.88x = 3,204.73 × 1,355.73
  4. Step 4: Simplify right side
    2,136.88x = 4,344,748.60
  5. Step 5: Solve for x
    x = 4,344,748.60/2,136.88
  6. Step 6: Final answer
    x = 2,033.22

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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.