Home / 4,115.44-6,171.96-1,616.20

Finding the Fourth Proportional to 4,115.44, 6,171.96 and 1,616.20

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Solution

The fourth proportional to 4,115.44, 6,171.96 and 1,616.20 is: 2,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.44 : 6,171.96 = 1,616.20 : x
  2. Step 2: Convert to fraction form
    4,115.44/6,171.96 = 1,616.20/x
  3. Step 3: Cross multiply
    4,115.44x = 6,171.96 × 1,616.20
  4. Step 4: Simplify right side
    4,115.44x = 9,975,121.75
  5. Step 5: Solve for x
    x = 9,975,121.75/4,115.44
  6. Step 6: Final answer
    x = 2,423.83

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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.