Home / 2,311.72-3,463.19-1,372.68

Finding the Fourth Proportional to 2,311.72, 3,463.19 and 1,372.68

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Solution

The fourth proportional to 2,311.72, 3,463.19 and 1,372.68 is: 2,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.72 : 3,463.19 = 1,372.68 : x
  2. Step 2: Convert to fraction form
    2,311.72/3,463.19 = 1,372.68/x
  3. Step 3: Cross multiply
    2,311.72x = 3,463.19 × 1,372.68
  4. Step 4: Simplify right side
    2,311.72x = 4,753,849.93
  5. Step 5: Solve for x
    x = 4,753,849.93/2,311.72
  6. Step 6: Final answer
    x = 2,056.41

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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.