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Finding the Fourth Proportional to 2,203.44, 3,300.48 and 1,654.80

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Solution

The fourth proportional to 2,203.44, 3,300.48 and 1,654.80 is: 2,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.44 : 3,300.48 = 1,654.80 : x
  2. Step 2: Convert to fraction form
    2,203.44/3,300.48 = 1,654.80/x
  3. Step 3: Cross multiply
    2,203.44x = 3,300.48 × 1,654.80
  4. Step 4: Simplify right side
    2,203.44x = 5,461,634.30
  5. Step 5: Solve for x
    x = 5,461,634.30/2,203.44
  6. Step 6: Final answer
    x = 2,478.69

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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.