Home / 3,618.91-4,992.60-2,202.09

Finding the Fourth Proportional to 3,618.91, 4,992.60 and 2,202.09

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Solution

The fourth proportional to 3,618.91, 4,992.60 and 2,202.09 is: 3,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.91 : 4,992.60 = 2,202.09 : x
  2. Step 2: Convert to fraction form
    3,618.91/4,992.60 = 2,202.09/x
  3. Step 3: Cross multiply
    3,618.91x = 4,992.60 × 2,202.09
  4. Step 4: Simplify right side
    3,618.91x = 10,994,154.53
  5. Step 5: Solve for x
    x = 10,994,154.53/3,618.91
  6. Step 6: Final answer
    x = 3,037.97

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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.