Home / 3,469.86-5,198.31-2,698.74

Finding the Fourth Proportional to 3,469.86, 5,198.31 and 2,698.74

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Solution

The fourth proportional to 3,469.86, 5,198.31 and 2,698.74 is: 4,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.86 : 5,198.31 = 2,698.74 : x
  2. Step 2: Convert to fraction form
    3,469.86/5,198.31 = 2,698.74/x
  3. Step 3: Cross multiply
    3,469.86x = 5,198.31 × 2,698.74
  4. Step 4: Simplify right side
    3,469.86x = 14,028,887.13
  5. Step 5: Solve for x
    x = 14,028,887.13/3,469.86
  6. Step 6: Final answer
    x = 4,043.07

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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.