Home / 3,143.72-4,716.09-1,063.85

Finding the Fourth Proportional to 3,143.72, 4,716.09 and 1,063.85

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Solution

The fourth proportional to 3,143.72, 4,716.09 and 1,063.85 is: 1,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.72 : 4,716.09 = 1,063.85 : x
  2. Step 2: Convert to fraction form
    3,143.72/4,716.09 = 1,063.85/x
  3. Step 3: Cross multiply
    3,143.72x = 4,716.09 × 1,063.85
  4. Step 4: Simplify right side
    3,143.72x = 5,017,212.35
  5. Step 5: Solve for x
    x = 5,017,212.35/3,143.72
  6. Step 6: Final answer
    x = 1,595.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.