Home / 2,725.20-4,089.87-1,996.68

Finding the Fourth Proportional to 2,725.20, 4,089.87 and 1,996.68

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Solution

The fourth proportional to 2,725.20, 4,089.87 and 1,996.68 is: 2,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.20 : 4,089.87 = 1,996.68 : x
  2. Step 2: Convert to fraction form
    2,725.20/4,089.87 = 1,996.68/x
  3. Step 3: Cross multiply
    2,725.20x = 4,089.87 × 1,996.68
  4. Step 4: Simplify right side
    2,725.20x = 8,166,161.63
  5. Step 5: Solve for x
    x = 8,166,161.63/2,725.20
  6. Step 6: Final answer
    x = 2,996.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.