Home / 2,443.64-3,369.40-2,268.68

Finding the Fourth Proportional to 2,443.64, 3,369.40 and 2,268.68

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Solution

The fourth proportional to 2,443.64, 3,369.40 and 2,268.68 is: 3,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.64 : 3,369.40 = 2,268.68 : x
  2. Step 2: Convert to fraction form
    2,443.64/3,369.40 = 2,268.68/x
  3. Step 3: Cross multiply
    2,443.64x = 3,369.40 × 2,268.68
  4. Step 4: Simplify right side
    2,443.64x = 7,644,067.87
  5. Step 5: Solve for x
    x = 7,644,067.87/2,443.64
  6. Step 6: Final answer
    x = 3,128.15

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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.