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Finding the Fourth Proportional to 3,200.44, 4,801.14 and 892.12

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Solution

The fourth proportional to 3,200.44, 4,801.14 and 892.12 is: 1,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.44 : 4,801.14 = 892.12 : x
  2. Step 2: Convert to fraction form
    3,200.44/4,801.14 = 892.12/x
  3. Step 3: Cross multiply
    3,200.44x = 4,801.14 × 892.12
  4. Step 4: Simplify right side
    3,200.44x = 4,283,193.02
  5. Step 5: Solve for x
    x = 4,283,193.02/3,200.44
  6. Step 6: Final answer
    x = 1,338.31

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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.