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Finding the Fourth Proportional to 2,644.93, 3,967.53 and 2,181.86

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Solution

The fourth proportional to 2,644.93, 3,967.53 and 2,181.86 is: 3,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.93 : 3,967.53 = 2,181.86 : x
  2. Step 2: Convert to fraction form
    2,644.93/3,967.53 = 2,181.86/x
  3. Step 3: Cross multiply
    2,644.93x = 3,967.53 × 2,181.86
  4. Step 4: Simplify right side
    2,644.93x = 8,656,605.30
  5. Step 5: Solve for x
    x = 8,656,605.30/2,644.93
  6. Step 6: Final answer
    x = 3,272.91

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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.