Home / 2,380.13-3,568.97-1,394.87

Finding the Fourth Proportional to 2,380.13, 3,568.97 and 1,394.87

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Solution

The fourth proportional to 2,380.13, 3,568.97 and 1,394.87 is: 2,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.13 : 3,568.97 = 1,394.87 : x
  2. Step 2: Convert to fraction form
    2,380.13/3,568.97 = 1,394.87/x
  3. Step 3: Cross multiply
    2,380.13x = 3,568.97 × 1,394.87
  4. Step 4: Simplify right side
    2,380.13x = 4,978,249.18
  5. Step 5: Solve for x
    x = 4,978,249.18/2,380.13
  6. Step 6: Final answer
    x = 2,091.59

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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.