Home / 3,616.29-5,419.87-3,081.69

Finding the Fourth Proportional to 3,616.29, 5,419.87 and 3,081.69

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Solution

The fourth proportional to 3,616.29, 5,419.87 and 3,081.69 is: 4,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.29 : 5,419.87 = 3,081.69 : x
  2. Step 2: Convert to fraction form
    3,616.29/5,419.87 = 3,081.69/x
  3. Step 3: Cross multiply
    3,616.29x = 5,419.87 × 3,081.69
  4. Step 4: Simplify right side
    3,616.29x = 16,702,351.48
  5. Step 5: Solve for x
    x = 16,702,351.48/3,616.29
  6. Step 6: Final answer
    x = 4,618.64

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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.