Home / 2,211.35-3,332.91-1,906.88

Finding the Fourth Proportional to 2,211.35, 3,332.91 and 1,906.88

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Solution

The fourth proportional to 2,211.35, 3,332.91 and 1,906.88 is: 2,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.35 : 3,332.91 = 1,906.88 : x
  2. Step 2: Convert to fraction form
    2,211.35/3,332.91 = 1,906.88/x
  3. Step 3: Cross multiply
    2,211.35x = 3,332.91 × 1,906.88
  4. Step 4: Simplify right side
    2,211.35x = 6,355,442.76
  5. Step 5: Solve for x
    x = 6,355,442.76/2,211.35
  6. Step 6: Final answer
    x = 2,874.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.