Home / 3,081.08-4,246.77-2,183.66

Finding the Fourth Proportional to 3,081.08, 4,246.77 and 2,183.66

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Solution

The fourth proportional to 3,081.08, 4,246.77 and 2,183.66 is: 3,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.08 : 4,246.77 = 2,183.66 : x
  2. Step 2: Convert to fraction form
    3,081.08/4,246.77 = 2,183.66/x
  3. Step 3: Cross multiply
    3,081.08x = 4,246.77 × 2,183.66
  4. Step 4: Simplify right side
    3,081.08x = 9,273,501.78
  5. Step 5: Solve for x
    x = 9,273,501.78/3,081.08
  6. Step 6: Final answer
    x = 3,009.82

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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.