Home / 2,919.64-4,029.12-1,593.38

Finding the Fourth Proportional to 2,919.64, 4,029.12 and 1,593.38

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Solution

The fourth proportional to 2,919.64, 4,029.12 and 1,593.38 is: 2,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.64 : 4,029.12 = 1,593.38 : x
  2. Step 2: Convert to fraction form
    2,919.64/4,029.12 = 1,593.38/x
  3. Step 3: Cross multiply
    2,919.64x = 4,029.12 × 1,593.38
  4. Step 4: Simplify right side
    2,919.64x = 6,419,893.10
  5. Step 5: Solve for x
    x = 6,419,893.10/2,919.64
  6. Step 6: Final answer
    x = 2,198.86

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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.