Home / 2,719.27-3,753.44-2,119.97

Finding the Fourth Proportional to 2,719.27, 3,753.44 and 2,119.97

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Solution

The fourth proportional to 2,719.27, 3,753.44 and 2,119.97 is: 2,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.27 : 3,753.44 = 2,119.97 : x
  2. Step 2: Convert to fraction form
    2,719.27/3,753.44 = 2,119.97/x
  3. Step 3: Cross multiply
    2,719.27x = 3,753.44 × 2,119.97
  4. Step 4: Simplify right side
    2,719.27x = 7,957,186.93
  5. Step 5: Solve for x
    x = 7,957,186.93/2,719.27
  6. Step 6: Final answer
    x = 2,926.22

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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.