Home / 3,183.09-4,392.48-1,766.76

Finding the Fourth Proportional to 3,183.09, 4,392.48 and 1,766.76

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Solution

The fourth proportional to 3,183.09, 4,392.48 and 1,766.76 is: 2,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.09 : 4,392.48 = 1,766.76 : x
  2. Step 2: Convert to fraction form
    3,183.09/4,392.48 = 1,766.76/x
  3. Step 3: Cross multiply
    3,183.09x = 4,392.48 × 1,766.76
  4. Step 4: Simplify right side
    3,183.09x = 7,760,457.96
  5. Step 5: Solve for x
    x = 7,760,457.96/3,183.09
  6. Step 6: Final answer
    x = 2,438.03

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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.