Home / 2,660.62-3,994.61-1,836.86

Finding the Fourth Proportional to 2,660.62, 3,994.61 and 1,836.86

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Solution

The fourth proportional to 2,660.62, 3,994.61 and 1,836.86 is: 2,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.62 : 3,994.61 = 1,836.86 : x
  2. Step 2: Convert to fraction form
    2,660.62/3,994.61 = 1,836.86/x
  3. Step 3: Cross multiply
    2,660.62x = 3,994.61 × 1,836.86
  4. Step 4: Simplify right side
    2,660.62x = 7,337,539.32
  5. Step 5: Solve for x
    x = 7,337,539.32/2,660.62
  6. Step 6: Final answer
    x = 2,757.83

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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.