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Finding the Fourth Proportional to 3,771.63, 5,656.83 and 2,672.66

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Solution

The fourth proportional to 3,771.63, 5,656.83 and 2,672.66 is: 4,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.63 : 5,656.83 = 2,672.66 : x
  2. Step 2: Convert to fraction form
    3,771.63/5,656.83 = 2,672.66/x
  3. Step 3: Cross multiply
    3,771.63x = 5,656.83 × 2,672.66
  4. Step 4: Simplify right side
    3,771.63x = 15,118,783.27
  5. Step 5: Solve for x
    x = 15,118,783.27/3,771.63
  6. Step 6: Final answer
    x = 4,008.55

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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.