Home / 3,616.83-5,436.36-3,135.69

Finding the Fourth Proportional to 3,616.83, 5,436.36 and 3,135.69

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Solution

The fourth proportional to 3,616.83, 5,436.36 and 3,135.69 is: 4,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.83 : 5,436.36 = 3,135.69 : x
  2. Step 2: Convert to fraction form
    3,616.83/5,436.36 = 3,135.69/x
  3. Step 3: Cross multiply
    3,616.83x = 5,436.36 × 3,135.69
  4. Step 4: Simplify right side
    3,616.83x = 17,046,739.69
  5. Step 5: Solve for x
    x = 17,046,739.69/3,616.83
  6. Step 6: Final answer
    x = 4,713.17

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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.