Home / 3,324.42-4,985.10-1,131.62

Finding the Fourth Proportional to 3,324.42, 4,985.10 and 1,131.62

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Solution

The fourth proportional to 3,324.42, 4,985.10 and 1,131.62 is: 1,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.42 : 4,985.10 = 1,131.62 : x
  2. Step 2: Convert to fraction form
    3,324.42/4,985.10 = 1,131.62/x
  3. Step 3: Cross multiply
    3,324.42x = 4,985.10 × 1,131.62
  4. Step 4: Simplify right side
    3,324.42x = 5,641,213.94
  5. Step 5: Solve for x
    x = 5,641,213.94/3,324.42
  6. Step 6: Final answer
    x = 1,696.90

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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.