Home / 2,919.78-4,029.26-1,593.47

Finding the Fourth Proportional to 2,919.78, 4,029.26 and 1,593.47

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Solution

The fourth proportional to 2,919.78, 4,029.26 and 1,593.47 is: 2,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.78 : 4,029.26 = 1,593.47 : x
  2. Step 2: Convert to fraction form
    2,919.78/4,029.26 = 1,593.47/x
  3. Step 3: Cross multiply
    2,919.78x = 4,029.26 × 1,593.47
  4. Step 4: Simplify right side
    2,919.78x = 6,420,484.79
  5. Step 5: Solve for x
    x = 6,420,484.79/2,919.78
  6. Step 6: Final answer
    x = 2,198.97

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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.