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Finding the Fourth Proportional to 3,550.80, 5,326.08 and 1,601.60

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Solution

The fourth proportional to 3,550.80, 5,326.08 and 1,601.60 is: 2,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.80 : 5,326.08 = 1,601.60 : x
  2. Step 2: Convert to fraction form
    3,550.80/5,326.08 = 1,601.60/x
  3. Step 3: Cross multiply
    3,550.80x = 5,326.08 × 1,601.60
  4. Step 4: Simplify right side
    3,550.80x = 8,530,249.73
  5. Step 5: Solve for x
    x = 8,530,249.73/3,550.80
  6. Step 6: Final answer
    x = 2,402.35

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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.