Home / 3,183.61-4,774.39-2,206.75

Finding the Fourth Proportional to 3,183.61, 4,774.39 and 2,206.75

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Solution

The fourth proportional to 3,183.61, 4,774.39 and 2,206.75 is: 3,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.61 : 4,774.39 = 2,206.75 : x
  2. Step 2: Convert to fraction form
    3,183.61/4,774.39 = 2,206.75/x
  3. Step 3: Cross multiply
    3,183.61x = 4,774.39 × 2,206.75
  4. Step 4: Simplify right side
    3,183.61x = 10,535,885.13
  5. Step 5: Solve for x
    x = 10,535,885.13/3,183.61
  6. Step 6: Final answer
    x = 3,309.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.