Home / 3,165.38-4,369.71-2,226.12

Finding the Fourth Proportional to 3,165.38, 4,369.71 and 2,226.12

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Solution

The fourth proportional to 3,165.38, 4,369.71 and 2,226.12 is: 3,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.38 : 4,369.71 = 2,226.12 : x
  2. Step 2: Convert to fraction form
    3,165.38/4,369.71 = 2,226.12/x
  3. Step 3: Cross multiply
    3,165.38x = 4,369.71 × 2,226.12
  4. Step 4: Simplify right side
    3,165.38x = 9,727,490.79
  5. Step 5: Solve for x
    x = 9,727,490.79/3,165.38
  6. Step 6: Final answer
    x = 3,073.09

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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.