Home / 4,112.88-6,169.44-1,613.96

Finding the Fourth Proportional to 4,112.88, 6,169.44 and 1,613.96

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Solution

The fourth proportional to 4,112.88, 6,169.44 and 1,613.96 is: 2,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.88 : 6,169.44 = 1,613.96 : x
  2. Step 2: Convert to fraction form
    4,112.88/6,169.44 = 1,613.96/x
  3. Step 3: Cross multiply
    4,112.88x = 6,169.44 × 1,613.96
  4. Step 4: Simplify right side
    4,112.88x = 9,957,229.38
  5. Step 5: Solve for x
    x = 9,957,229.38/4,112.88
  6. Step 6: Final answer
    x = 2,420.99

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1.5x scale

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.