Home / 3,974.73-5,485.19-2,206.34

Finding the Fourth Proportional to 3,974.73, 5,485.19 and 2,206.34

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Solution

The fourth proportional to 3,974.73, 5,485.19 and 2,206.34 is: 3,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.73 : 5,485.19 = 2,206.34 : x
  2. Step 2: Convert to fraction form
    3,974.73/5,485.19 = 2,206.34/x
  3. Step 3: Cross multiply
    3,974.73x = 5,485.19 × 2,206.34
  4. Step 4: Simplify right side
    3,974.73x = 12,102,194.10
  5. Step 5: Solve for x
    x = 12,102,194.10/3,974.73
  6. Step 6: Final answer
    x = 3,044.78

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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.