Home / 3,183.23-4,776.27-1,720.67

Finding the Fourth Proportional to 3,183.23, 4,776.27 and 1,720.67

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Solution

The fourth proportional to 3,183.23, 4,776.27 and 1,720.67 is: 2,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.23 : 4,776.27 = 1,720.67 : x
  2. Step 2: Convert to fraction form
    3,183.23/4,776.27 = 1,720.67/x
  3. Step 3: Cross multiply
    3,183.23x = 4,776.27 × 1,720.67
  4. Step 4: Simplify right side
    3,183.23x = 8,218,360.62
  5. Step 5: Solve for x
    x = 8,218,360.62/3,183.23
  6. Step 6: Final answer
    x = 2,581.77

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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.