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Finding the Fourth Proportional to 2,610.52, 3,915.80 and 662.73

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Solution

The fourth proportional to 2,610.52, 3,915.80 and 662.73 is: 994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.52 : 3,915.80 = 662.73 : x
  2. Step 2: Convert to fraction form
    2,610.52/3,915.80 = 662.73/x
  3. Step 3: Cross multiply
    2,610.52x = 3,915.80 × 662.73
  4. Step 4: Simplify right side
    2,610.52x = 2,595,118.13
  5. Step 5: Solve for x
    x = 2,595,118.13/2,610.52
  6. Step 6: Final answer
    x = 994.10

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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.