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Finding the Fourth Proportional to 3,327.86, 4,989.01 and 1,847

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Solution

The fourth proportional to 3,327.86, 4,989.01 and 1,847 is: 2,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.86 : 4,989.01 = 1,847 : x
  2. Step 2: Convert to fraction form
    3,327.86/4,989.01 = 1,847/x
  3. Step 3: Cross multiply
    3,327.86x = 4,989.01 × 1,847
  4. Step 4: Simplify right side
    3,327.86x = 9,214,701.47
  5. Step 5: Solve for x
    x = 9,214,701.47/3,327.86
  6. Step 6: Final answer
    x = 2,768.96

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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.