Home / 2,732.76-4,095.96-1,268.80

Finding the Fourth Proportional to 2,732.76, 4,095.96 and 1,268.80

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Solution

The fourth proportional to 2,732.76, 4,095.96 and 1,268.80 is: 1,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.76 : 4,095.96 = 1,268.80 : x
  2. Step 2: Convert to fraction form
    2,732.76/4,095.96 = 1,268.80/x
  3. Step 3: Cross multiply
    2,732.76x = 4,095.96 × 1,268.80
  4. Step 4: Simplify right side
    2,732.76x = 5,196,954.05
  5. Step 5: Solve for x
    x = 5,196,954.05/2,732.76
  6. Step 6: Final answer
    x = 1,901.72

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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.