Home / 3,974.19-5,484.42-2,205.96

Finding the Fourth Proportional to 3,974.19, 5,484.42 and 2,205.96

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Solution

The fourth proportional to 3,974.19, 5,484.42 and 2,205.96 is: 3,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.19 : 5,484.42 = 2,205.96 : x
  2. Step 2: Convert to fraction form
    3,974.19/5,484.42 = 2,205.96/x
  3. Step 3: Cross multiply
    3,974.19x = 5,484.42 × 2,205.96
  4. Step 4: Simplify right side
    3,974.19x = 12,098,411.14
  5. Step 5: Solve for x
    x = 12,098,411.14/3,974.19
  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.