Home / 3,454.32-5,183.34-3,206.40

Finding the Fourth Proportional to 3,454.32, 5,183.34 and 3,206.40

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Solution

The fourth proportional to 3,454.32, 5,183.34 and 3,206.40 is: 4,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.32 : 5,183.34 = 3,206.40 : x
  2. Step 2: Convert to fraction form
    3,454.32/5,183.34 = 3,206.40/x
  3. Step 3: Cross multiply
    3,454.32x = 5,183.34 × 3,206.40
  4. Step 4: Simplify right side
    3,454.32x = 16,619,861.38
  5. Step 5: Solve for x
    x = 16,619,861.38/3,454.32
  6. Step 6: Final answer
    x = 4,811.33

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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.