Home / 3,618.30-4,993.36-2,183.08

Finding the Fourth Proportional to 3,618.30, 4,993.36 and 2,183.08

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Solution

The fourth proportional to 3,618.30, 4,993.36 and 2,183.08 is: 3,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.30 : 4,993.36 = 2,183.08 : x
  2. Step 2: Convert to fraction form
    3,618.30/4,993.36 = 2,183.08/x
  3. Step 3: Cross multiply
    3,618.30x = 4,993.36 × 2,183.08
  4. Step 4: Simplify right side
    3,618.30x = 10,900,904.35
  5. Step 5: Solve for x
    x = 10,900,904.35/3,618.30
  6. Step 6: Final answer
    x = 3,012.71

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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.