Home / 3,183.66-4,389.93-2,003.22

Finding the Fourth Proportional to 3,183.66, 4,389.93 and 2,003.22

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Solution

The fourth proportional to 3,183.66, 4,389.93 and 2,003.22 is: 2,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.66 : 4,389.93 = 2,003.22 : x
  2. Step 2: Convert to fraction form
    3,183.66/4,389.93 = 2,003.22/x
  3. Step 3: Cross multiply
    3,183.66x = 4,389.93 × 2,003.22
  4. Step 4: Simplify right side
    3,183.66x = 8,793,995.57
  5. Step 5: Solve for x
    x = 8,793,995.57/3,183.66
  6. Step 6: Final answer
    x = 2,762.23

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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.