Home / 2,305.88-3,181.92-1,310.84

Finding the Fourth Proportional to 2,305.88, 3,181.92 and 1,310.84

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Solution

The fourth proportional to 2,305.88, 3,181.92 and 1,310.84 is: 1,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.88 : 3,181.92 = 1,310.84 : x
  2. Step 2: Convert to fraction form
    2,305.88/3,181.92 = 1,310.84/x
  3. Step 3: Cross multiply
    2,305.88x = 3,181.92 × 1,310.84
  4. Step 4: Simplify right side
    2,305.88x = 4,170,988.01
  5. Step 5: Solve for x
    x = 4,170,988.01/2,305.88
  6. Step 6: Final answer
    x = 1,808.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.