Home / 2,745.14-3,786.10-2,412.86

Finding the Fourth Proportional to 2,745.14, 3,786.10 and 2,412.86

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Solution

The fourth proportional to 2,745.14, 3,786.10 and 2,412.86 is: 3,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.14 : 3,786.10 = 2,412.86 : x
  2. Step 2: Convert to fraction form
    2,745.14/3,786.10 = 2,412.86/x
  3. Step 3: Cross multiply
    2,745.14x = 3,786.10 × 2,412.86
  4. Step 4: Simplify right side
    2,745.14x = 9,135,304.28
  5. Step 5: Solve for x
    x = 9,135,304.28/2,745.14
  6. Step 6: Final answer
    x = 3,327.82

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1.5x scale

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.