Home / 1,084.14-1,626.12-304.20

Finding the Fourth Proportional to 1,084.14, 1,626.12 and 304.20

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Solution

The fourth proportional to 1,084.14, 1,626.12 and 304.20 is: 456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.14 : 1,626.12 = 304.20 : x
  2. Step 2: Convert to fraction form
    1,084.14/1,626.12 = 304.20/x
  3. Step 3: Cross multiply
    1,084.14x = 1,626.12 × 304.20
  4. Step 4: Simplify right side
    1,084.14x = 494,665.70
  5. Step 5: Solve for x
    x = 494,665.70/1,084.14
  6. Step 6: Final answer
    x = 456.27

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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.