Home / 2,732.20-4,089.66-1,949.68

Finding the Fourth Proportional to 2,732.20, 4,089.66 and 1,949.68

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Solution

The fourth proportional to 2,732.20, 4,089.66 and 1,949.68 is: 2,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.20 : 4,089.66 = 1,949.68 : x
  2. Step 2: Convert to fraction form
    2,732.20/4,089.66 = 1,949.68/x
  3. Step 3: Cross multiply
    2,732.20x = 4,089.66 × 1,949.68
  4. Step 4: Simplify right side
    2,732.20x = 7,973,528.31
  5. Step 5: Solve for x
    x = 7,973,528.31/2,732.20
  6. Step 6: Final answer
    x = 2,918.35

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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.