Home / 3,211.35-4,817.32-1,263.09

Finding the Fourth Proportional to 3,211.35, 4,817.32 and 1,263.09

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Solution

The fourth proportional to 3,211.35, 4,817.32 and 1,263.09 is: 1,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.35 : 4,817.32 = 1,263.09 : x
  2. Step 2: Convert to fraction form
    3,211.35/4,817.32 = 1,263.09/x
  3. Step 3: Cross multiply
    3,211.35x = 4,817.32 × 1,263.09
  4. Step 4: Simplify right side
    3,211.35x = 6,084,730.73
  5. Step 5: Solve for x
    x = 6,084,730.73/3,211.35
  6. Step 6: Final answer
    x = 1,894.76

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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.