Home / 3,550.20-5,325.30-1,800.60

Finding the Fourth Proportional to 3,550.20, 5,325.30 and 1,800.60

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Solution

The fourth proportional to 3,550.20, 5,325.30 and 1,800.60 is: 2,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.20 : 5,325.30 = 1,800.60 : x
  2. Step 2: Convert to fraction form
    3,550.20/5,325.30 = 1,800.60/x
  3. Step 3: Cross multiply
    3,550.20x = 5,325.30 × 1,800.60
  4. Step 4: Simplify right side
    3,550.20x = 9,588,735.18
  5. Step 5: Solve for x
    x = 9,588,735.18/3,550.20
  6. Step 6: Final answer
    x = 2,700.90

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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.