Home / 3,974.58-5,484.84-2,206.14

Finding the Fourth Proportional to 3,974.58, 5,484.84 and 2,206.14

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Solution

The fourth proportional to 3,974.58, 5,484.84 and 2,206.14 is: 3,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.58 : 5,484.84 = 2,206.14 : x
  2. Step 2: Convert to fraction form
    3,974.58/5,484.84 = 2,206.14/x
  3. Step 3: Cross multiply
    3,974.58x = 5,484.84 × 2,206.14
  4. Step 4: Simplify right side
    3,974.58x = 12,100,324.92
  5. Step 5: Solve for x
    x = 12,100,324.92/3,974.58
  6. Step 6: Final answer
    x = 3,044.43

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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.