Home / 3,183.60-4,389.21-2,299.62

Finding the Fourth Proportional to 3,183.60, 4,389.21 and 2,299.62

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Solution

The fourth proportional to 3,183.60, 4,389.21 and 2,299.62 is: 3,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.60 : 4,389.21 = 2,299.62 : x
  2. Step 2: Convert to fraction form
    3,183.60/4,389.21 = 2,299.62/x
  3. Step 3: Cross multiply
    3,183.60x = 4,389.21 × 2,299.62
  4. Step 4: Simplify right side
    3,183.60x = 10,093,515.10
  5. Step 5: Solve for x
    x = 10,093,515.10/3,183.60
  6. Step 6: Final answer
    x = 3,170.47

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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.