Home / 3,974.13-5,483.97-2,205.56

Finding the Fourth Proportional to 3,974.13, 5,483.97 and 2,205.56

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Solution

The fourth proportional to 3,974.13, 5,483.97 and 2,205.56 is: 3,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.13 : 5,483.97 = 2,205.56 : x
  2. Step 2: Convert to fraction form
    3,974.13/5,483.97 = 2,205.56/x
  3. Step 3: Cross multiply
    3,974.13x = 5,483.97 × 2,205.56
  4. Step 4: Simplify right side
    3,974.13x = 12,095,238.58
  5. Step 5: Solve for x
    x = 12,095,238.58/3,974.13
  6. Step 6: Final answer
    x = 3,043.49

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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.