Home / 3,992.42-5,977.33-2,114.04

Finding the Fourth Proportional to 3,992.42, 5,977.33 and 2,114.04

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Solution

The fourth proportional to 3,992.42, 5,977.33 and 2,114.04 is: 3,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.42 : 5,977.33 = 2,114.04 : x
  2. Step 2: Convert to fraction form
    3,992.42/5,977.33 = 2,114.04/x
  3. Step 3: Cross multiply
    3,992.42x = 5,977.33 × 2,114.04
  4. Step 4: Simplify right side
    3,992.42x = 12,636,298.73
  5. Step 5: Solve for x
    x = 12,636,298.73/3,992.42
  6. Step 6: Final answer
    x = 3,165.07

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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.