Home / 3,306.38-4,561.44-2,187.86

Finding the Fourth Proportional to 3,306.38, 4,561.44 and 2,187.86

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Solution

The fourth proportional to 3,306.38, 4,561.44 and 2,187.86 is: 3,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.38 : 4,561.44 = 2,187.86 : x
  2. Step 2: Convert to fraction form
    3,306.38/4,561.44 = 2,187.86/x
  3. Step 3: Cross multiply
    3,306.38x = 4,561.44 × 2,187.86
  4. Step 4: Simplify right side
    3,306.38x = 9,979,792.12
  5. Step 5: Solve for x
    x = 9,979,792.12/3,306.38
  6. Step 6: Final answer
    x = 3,018.34

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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.