Home / 3,960.36-5,940.20-1,363.30

Finding the Fourth Proportional to 3,960.36, 5,940.20 and 1,363.30

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Solution

The fourth proportional to 3,960.36, 5,940.20 and 1,363.30 is: 2,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.36 : 5,940.20 = 1,363.30 : x
  2. Step 2: Convert to fraction form
    3,960.36/5,940.20 = 1,363.30/x
  3. Step 3: Cross multiply
    3,960.36x = 5,940.20 × 1,363.30
  4. Step 4: Simplify right side
    3,960.36x = 8,098,263.22
  5. Step 5: Solve for x
    x = 8,098,263.22/3,960.36
  6. Step 6: Final answer
    x = 2,044.83

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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.