Home / 3,974.57-5,484.68-2,206.07

Finding the Fourth Proportional to 3,974.57, 5,484.68 and 2,206.07

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Solution

The fourth proportional to 3,974.57, 5,484.68 and 2,206.07 is: 3,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.57 : 5,484.68 = 2,206.07 : x
  2. Step 2: Convert to fraction form
    3,974.57/5,484.68 = 2,206.07/x
  3. Step 3: Cross multiply
    3,974.57x = 5,484.68 × 2,206.07
  4. Step 4: Simplify right side
    3,974.57x = 12,099,578.39
  5. Step 5: Solve for x
    x = 12,099,578.39/3,974.57
  6. Step 6: Final answer
    x = 3,044.25

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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.