Home / 3,269.30-4,512.79-1,943

Finding the Fourth Proportional to 3,269.30, 4,512.79 and 1,943

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Solution

The fourth proportional to 3,269.30, 4,512.79 and 1,943 is: 2,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.30 : 4,512.79 = 1,943 : x
  2. Step 2: Convert to fraction form
    3,269.30/4,512.79 = 1,943/x
  3. Step 3: Cross multiply
    3,269.30x = 4,512.79 × 1,943
  4. Step 4: Simplify right side
    3,269.30x = 8,768,350.97
  5. Step 5: Solve for x
    x = 8,768,350.97/3,269.30
  6. Step 6: Final answer
    x = 2,682.03

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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.