Home / 3,159.46-4,738.92-1,211.14

Finding the Fourth Proportional to 3,159.46, 4,738.92 and 1,211.14

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Solution

The fourth proportional to 3,159.46, 4,738.92 and 1,211.14 is: 1,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.46 : 4,738.92 = 1,211.14 : x
  2. Step 2: Convert to fraction form
    3,159.46/4,738.92 = 1,211.14/x
  3. Step 3: Cross multiply
    3,159.46x = 4,738.92 × 1,211.14
  4. Step 4: Simplify right side
    3,159.46x = 5,739,495.57
  5. Step 5: Solve for x
    x = 5,739,495.57/3,159.46
  6. Step 6: Final answer
    x = 1,816.61

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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.