Home / 3,892.20-5,836.41-1,294.80

Finding the Fourth Proportional to 3,892.20, 5,836.41 and 1,294.80

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Solution

The fourth proportional to 3,892.20, 5,836.41 and 1,294.80 is: 1,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.20 : 5,836.41 = 1,294.80 : x
  2. Step 2: Convert to fraction form
    3,892.20/5,836.41 = 1,294.80/x
  3. Step 3: Cross multiply
    3,892.20x = 5,836.41 × 1,294.80
  4. Step 4: Simplify right side
    3,892.20x = 7,556,983.67
  5. Step 5: Solve for x
    x = 7,556,983.67/3,892.20
  6. Step 6: Final answer
    x = 1,941.57

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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.