Home / 2,188.33-3,283.44-1,200.54

Finding the Fourth Proportional to 2,188.33, 3,283.44 and 1,200.54

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Solution

The fourth proportional to 2,188.33, 3,283.44 and 1,200.54 is: 1,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.33 : 3,283.44 = 1,200.54 : x
  2. Step 2: Convert to fraction form
    2,188.33/3,283.44 = 1,200.54/x
  3. Step 3: Cross multiply
    2,188.33x = 3,283.44 × 1,200.54
  4. Step 4: Simplify right side
    2,188.33x = 3,941,884.64
  5. Step 5: Solve for x
    x = 3,941,884.64/2,188.33
  6. Step 6: Final answer
    x = 1,801.32

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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.