Home / 2,659.12-3,990.77-1,843.13

Finding the Fourth Proportional to 2,659.12, 3,990.77 and 1,843.13

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Solution

The fourth proportional to 2,659.12, 3,990.77 and 1,843.13 is: 2,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.12 : 3,990.77 = 1,843.13 : x
  2. Step 2: Convert to fraction form
    2,659.12/3,990.77 = 1,843.13/x
  3. Step 3: Cross multiply
    2,659.12x = 3,990.77 × 1,843.13
  4. Step 4: Simplify right side
    2,659.12x = 7,355,507.91
  5. Step 5: Solve for x
    x = 7,355,507.91/2,659.12
  6. Step 6: Final answer
    x = 2,766.14

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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.