Home / 2,171.46-3,249.50-1,350.12

Finding the Fourth Proportional to 2,171.46, 3,249.50 and 1,350.12

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Solution

The fourth proportional to 2,171.46, 3,249.50 and 1,350.12 is: 2,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.46 : 3,249.50 = 1,350.12 : x
  2. Step 2: Convert to fraction form
    2,171.46/3,249.50 = 1,350.12/x
  3. Step 3: Cross multiply
    2,171.46x = 3,249.50 × 1,350.12
  4. Step 4: Simplify right side
    2,171.46x = 4,387,214.94
  5. Step 5: Solve for x
    x = 4,387,214.94/2,171.46
  6. Step 6: Final answer
    x = 2,020.40

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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.