Home / 1,204.14-1,806.45-382.62

Finding the Fourth Proportional to 1,204.14, 1,806.45 and 382.62

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Solution

The fourth proportional to 1,204.14, 1,806.45 and 382.62 is: 574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.14 : 1,806.45 = 382.62 : x
  2. Step 2: Convert to fraction form
    1,204.14/1,806.45 = 382.62/x
  3. Step 3: Cross multiply
    1,204.14x = 1,806.45 × 382.62
  4. Step 4: Simplify right side
    1,204.14x = 691,183.90
  5. Step 5: Solve for x
    x = 691,183.90/1,204.14
  6. Step 6: Final answer
    x = 574.01

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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.