Home / 3,974.39-5,484.62-2,206

Finding the Fourth Proportional to 3,974.39, 5,484.62 and 2,206

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Solution

The fourth proportional to 3,974.39, 5,484.62 and 2,206 is: 3,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.39 : 5,484.62 = 2,206 : x
  2. Step 2: Convert to fraction form
    3,974.39/5,484.62 = 2,206/x
  3. Step 3: Cross multiply
    3,974.39x = 5,484.62 × 2,206
  4. Step 4: Simplify right side
    3,974.39x = 12,099,071.72
  5. Step 5: Solve for x
    x = 12,099,071.72/3,974.39
  6. Step 6: Final answer
    x = 3,044.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.