Home / 3,895.43-5,841.79-1,121.38

Finding the Fourth Proportional to 3,895.43, 5,841.79 and 1,121.38

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Solution

The fourth proportional to 3,895.43, 5,841.79 and 1,121.38 is: 1,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.43 : 5,841.79 = 1,121.38 : x
  2. Step 2: Convert to fraction form
    3,895.43/5,841.79 = 1,121.38/x
  3. Step 3: Cross multiply
    3,895.43x = 5,841.79 × 1,121.38
  4. Step 4: Simplify right side
    3,895.43x = 6,550,849.06
  5. Step 5: Solve for x
    x = 6,550,849.06/3,895.43
  6. Step 6: Final answer
    x = 1,681.68

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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.