Home / 3,974.38-5,484.54-2,205.94

Finding the Fourth Proportional to 3,974.38, 5,484.54 and 2,205.94

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Solution

The fourth proportional to 3,974.38, 5,484.54 and 2,205.94 is: 3,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.38 : 5,484.54 = 2,205.94 : x
  2. Step 2: Convert to fraction form
    3,974.38/5,484.54 = 2,205.94/x
  3. Step 3: Cross multiply
    3,974.38x = 5,484.54 × 2,205.94
  4. Step 4: Simplify right side
    3,974.38x = 12,098,566.17
  5. Step 5: Solve for x
    x = 12,098,566.17/3,974.38
  6. Step 6: Final answer
    x = 3,044.14

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1.5x scale

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.