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Finding the Fourth Proportional to 3,573.52, 5,353.88 and 2,202.64

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Solution

The fourth proportional to 3,573.52, 5,353.88 and 2,202.64 is: 3,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.52 : 5,353.88 = 2,202.64 : x
  2. Step 2: Convert to fraction form
    3,573.52/5,353.88 = 2,202.64/x
  3. Step 3: Cross multiply
    3,573.52x = 5,353.88 × 2,202.64
  4. Step 4: Simplify right side
    3,573.52x = 11,792,670.24
  5. Step 5: Solve for x
    x = 11,792,670.24/3,573.52
  6. Step 6: Final answer
    x = 3,300.02

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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.