Home / 3,382.27-4,663.74-2,185.68

Finding the Fourth Proportional to 3,382.27, 4,663.74 and 2,185.68

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Solution

The fourth proportional to 3,382.27, 4,663.74 and 2,185.68 is: 3,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.27 : 4,663.74 = 2,185.68 : x
  2. Step 2: Convert to fraction form
    3,382.27/4,663.74 = 2,185.68/x
  3. Step 3: Cross multiply
    3,382.27x = 4,663.74 × 2,185.68
  4. Step 4: Simplify right side
    3,382.27x = 10,193,432.31
  5. Step 5: Solve for x
    x = 10,193,432.31/3,382.27
  6. Step 6: Final answer
    x = 3,013.78

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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.