Home / 2,919.65-4,029.09-1,593.34

Finding the Fourth Proportional to 2,919.65, 4,029.09 and 1,593.34

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Solution

The fourth proportional to 2,919.65, 4,029.09 and 1,593.34 is: 2,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.65 : 4,029.09 = 1,593.34 : x
  2. Step 2: Convert to fraction form
    2,919.65/4,029.09 = 1,593.34/x
  3. Step 3: Cross multiply
    2,919.65x = 4,029.09 × 1,593.34
  4. Step 4: Simplify right side
    2,919.65x = 6,419,709.32
  5. Step 5: Solve for x
    x = 6,419,709.32/2,919.65
  6. Step 6: Final answer
    x = 2,198.80

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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.