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Finding the Fourth Proportional to 1,662.97, 2,294.11 and 1,096.40

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Solution

The fourth proportional to 1,662.97, 2,294.11 and 1,096.40 is: 1,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.97 : 2,294.11 = 1,096.40 : x
  2. Step 2: Convert to fraction form
    1,662.97/2,294.11 = 1,096.40/x
  3. Step 3: Cross multiply
    1,662.97x = 2,294.11 × 1,096.40
  4. Step 4: Simplify right side
    1,662.97x = 2,515,250.24
  5. Step 5: Solve for x
    x = 2,515,250.24/1,662.97
  6. Step 6: Final answer
    x = 1,512.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.