Home / 3,669.69-5,490.74-2,183.44

Finding the Fourth Proportional to 3,669.69, 5,490.74 and 2,183.44

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Solution

The fourth proportional to 3,669.69, 5,490.74 and 2,183.44 is: 3,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.69 : 5,490.74 = 2,183.44 : x
  2. Step 2: Convert to fraction form
    3,669.69/5,490.74 = 2,183.44/x
  3. Step 3: Cross multiply
    3,669.69x = 5,490.74 × 2,183.44
  4. Step 4: Simplify right side
    3,669.69x = 11,988,693.08
  5. Step 5: Solve for x
    x = 11,988,693.08/3,669.69
  6. Step 6: Final answer
    x = 3,266.95

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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.