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Finding the Fourth Proportional to 3,550.44, 5,328.50 and 1,602.80

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Solution

The fourth proportional to 3,550.44, 5,328.50 and 1,602.80 is: 2,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.44 : 5,328.50 = 1,602.80 : x
  2. Step 2: Convert to fraction form
    3,550.44/5,328.50 = 1,602.80/x
  3. Step 3: Cross multiply
    3,550.44x = 5,328.50 × 1,602.80
  4. Step 4: Simplify right side
    3,550.44x = 8,540,519.80
  5. Step 5: Solve for x
    x = 8,540,519.80/3,550.44
  6. Step 6: Final answer
    x = 2,405.48

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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.