Home / 2,181.88-3,269.10-1,451.62

Finding the Fourth Proportional to 2,181.88, 3,269.10 and 1,451.62

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Solution

The fourth proportional to 2,181.88, 3,269.10 and 1,451.62 is: 2,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.88 : 3,269.10 = 1,451.62 : x
  2. Step 2: Convert to fraction form
    2,181.88/3,269.10 = 1,451.62/x
  3. Step 3: Cross multiply
    2,181.88x = 3,269.10 × 1,451.62
  4. Step 4: Simplify right side
    2,181.88x = 4,745,490.94
  5. Step 5: Solve for x
    x = 4,745,490.94/2,181.88
  6. Step 6: Final answer
    x = 2,174.96

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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.