Home / 3,418.43-5,127.24-1,196.78

Finding the Fourth Proportional to 3,418.43, 5,127.24 and 1,196.78

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Solution

The fourth proportional to 3,418.43, 5,127.24 and 1,196.78 is: 1,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.43 : 5,127.24 = 1,196.78 : x
  2. Step 2: Convert to fraction form
    3,418.43/5,127.24 = 1,196.78/x
  3. Step 3: Cross multiply
    3,418.43x = 5,127.24 × 1,196.78
  4. Step 4: Simplify right side
    3,418.43x = 6,136,178.29
  5. Step 5: Solve for x
    x = 6,136,178.29/3,418.43
  6. Step 6: Final answer
    x = 1,795.03

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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.