Home / 3,169.55-4,375.14-1,910.65

Finding the Fourth Proportional to 3,169.55, 4,375.14 and 1,910.65

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Solution

The fourth proportional to 3,169.55, 4,375.14 and 1,910.65 is: 2,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.55 : 4,375.14 = 1,910.65 : x
  2. Step 2: Convert to fraction form
    3,169.55/4,375.14 = 1,910.65/x
  3. Step 3: Cross multiply
    3,169.55x = 4,375.14 × 1,910.65
  4. Step 4: Simplify right side
    3,169.55x = 8,359,329.81
  5. Step 5: Solve for x
    x = 8,359,329.81/3,169.55
  6. Step 6: Final answer
    x = 2,637.39

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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.