Home / 3,238.74-4,468.23-1,911.96

Finding the Fourth Proportional to 3,238.74, 4,468.23 and 1,911.96

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Solution

The fourth proportional to 3,238.74, 4,468.23 and 1,911.96 is: 2,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.74 : 4,468.23 = 1,911.96 : x
  2. Step 2: Convert to fraction form
    3,238.74/4,468.23 = 1,911.96/x
  3. Step 3: Cross multiply
    3,238.74x = 4,468.23 × 1,911.96
  4. Step 4: Simplify right side
    3,238.74x = 8,543,077.03
  5. Step 5: Solve for x
    x = 8,543,077.03/3,238.74
  6. Step 6: Final answer
    x = 2,637.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.