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Finding the Fourth Proportional to 2,394.26, 3,591.45 and 662.88

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Solution

The fourth proportional to 2,394.26, 3,591.45 and 662.88 is: 994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.26 : 3,591.45 = 662.88 : x
  2. Step 2: Convert to fraction form
    2,394.26/3,591.45 = 662.88/x
  3. Step 3: Cross multiply
    2,394.26x = 3,591.45 × 662.88
  4. Step 4: Simplify right side
    2,394.26x = 2,380,700.38
  5. Step 5: Solve for x
    x = 2,380,700.38/2,394.26
  6. Step 6: Final answer
    x = 994.34

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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.