Home / 3,789.86-5,674.56-2,469.66

Finding the Fourth Proportional to 3,789.86, 5,674.56 and 2,469.66

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Solution

The fourth proportional to 3,789.86, 5,674.56 and 2,469.66 is: 3,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.86 : 5,674.56 = 2,469.66 : x
  2. Step 2: Convert to fraction form
    3,789.86/5,674.56 = 2,469.66/x
  3. Step 3: Cross multiply
    3,789.86x = 5,674.56 × 2,469.66
  4. Step 4: Simplify right side
    3,789.86x = 14,014,203.31
  5. Step 5: Solve for x
    x = 14,014,203.31/3,789.86
  6. Step 6: Final answer
    x = 3,697.82

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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.