Home / 1,224.12-1,834.82-608.28

Finding the Fourth Proportional to 1,224.12, 1,834.82 and 608.28

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Solution

The fourth proportional to 1,224.12, 1,834.82 and 608.28 is: 911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.12 : 1,834.82 = 608.28 : x
  2. Step 2: Convert to fraction form
    1,224.12/1,834.82 = 608.28/x
  3. Step 3: Cross multiply
    1,224.12x = 1,834.82 × 608.28
  4. Step 4: Simplify right side
    1,224.12x = 1,116,084.31
  5. Step 5: Solve for x
    x = 1,116,084.31/1,224.12
  6. Step 6: Final answer
    x = 911.74

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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.