Home / 3,486.17-5,229.26-2,188.55

Finding the Fourth Proportional to 3,486.17, 5,229.26 and 2,188.55

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Solution

The fourth proportional to 3,486.17, 5,229.26 and 2,188.55 is: 3,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.17 : 5,229.26 = 2,188.55 : x
  2. Step 2: Convert to fraction form
    3,486.17/5,229.26 = 2,188.55/x
  3. Step 3: Cross multiply
    3,486.17x = 5,229.26 × 2,188.55
  4. Step 4: Simplify right side
    3,486.17x = 11,444,522.05
  5. Step 5: Solve for x
    x = 11,444,522.05/3,486.17
  6. Step 6: Final answer
    x = 3,282.83

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1.5x scale

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.