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Finding the Fourth Proportional to 2,135.49, 3,203.36 and 902.73

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Solution

The fourth proportional to 2,135.49, 3,203.36 and 902.73 is: 1,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.49 : 3,203.36 = 902.73 : x
  2. Step 2: Convert to fraction form
    2,135.49/3,203.36 = 902.73/x
  3. Step 3: Cross multiply
    2,135.49x = 3,203.36 × 902.73
  4. Step 4: Simplify right side
    2,135.49x = 2,891,764.66
  5. Step 5: Solve for x
    x = 2,891,764.66/2,135.49
  6. Step 6: Final answer
    x = 1,354.15

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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.