Home / 3,409.49-5,115.68-1,462.61

Finding the Fourth Proportional to 3,409.49, 5,115.68 and 1,462.61

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Solution

The fourth proportional to 3,409.49, 5,115.68 and 1,462.61 is: 2,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.49 : 5,115.68 = 1,462.61 : x
  2. Step 2: Convert to fraction form
    3,409.49/5,115.68 = 1,462.61/x
  3. Step 3: Cross multiply
    3,409.49x = 5,115.68 × 1,462.61
  4. Step 4: Simplify right side
    3,409.49x = 7,482,244.72
  5. Step 5: Solve for x
    x = 7,482,244.72/3,409.49
  6. Step 6: Final answer
    x = 2,194.53

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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.