Home / 2,268.81-3,382.07-2,145.69

Finding the Fourth Proportional to 2,268.81, 3,382.07 and 2,145.69

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Solution

The fourth proportional to 2,268.81, 3,382.07 and 2,145.69 is: 3,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.81 : 3,382.07 = 2,145.69 : x
  2. Step 2: Convert to fraction form
    2,268.81/3,382.07 = 2,145.69/x
  3. Step 3: Cross multiply
    2,268.81x = 3,382.07 × 2,145.69
  4. Step 4: Simplify right side
    2,268.81x = 7,256,863.05
  5. Step 5: Solve for x
    x = 7,256,863.05/2,268.81
  6. Step 6: Final answer
    x = 3,198.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.