Home / 3,165.94-4,379.97-2,774.17

Finding the Fourth Proportional to 3,165.94, 4,379.97 and 2,774.17

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Solution

The fourth proportional to 3,165.94, 4,379.97 and 2,774.17 is: 3,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.94 : 4,379.97 = 2,774.17 : x
  2. Step 2: Convert to fraction form
    3,165.94/4,379.97 = 2,774.17/x
  3. Step 3: Cross multiply
    3,165.94x = 4,379.97 × 2,774.17
  4. Step 4: Simplify right side
    3,165.94x = 12,150,781.37
  5. Step 5: Solve for x
    x = 12,150,781.37/3,165.94
  6. Step 6: Final answer
    x = 3,837.97

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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.