Home / 3,195.42-4,408.94-1,868.52

Finding the Fourth Proportional to 3,195.42, 4,408.94 and 1,868.52

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Solution

The fourth proportional to 3,195.42, 4,408.94 and 1,868.52 is: 2,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.42 : 4,408.94 = 1,868.52 : x
  2. Step 2: Convert to fraction form
    3,195.42/4,408.94 = 1,868.52/x
  3. Step 3: Cross multiply
    3,195.42x = 4,408.94 × 1,868.52
  4. Step 4: Simplify right side
    3,195.42x = 8,238,192.57
  5. Step 5: Solve for x
    x = 8,238,192.57/3,195.42
  6. Step 6: Final answer
    x = 2,578.13

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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.