Home / 1,224.12-1,836.17-444.22

Finding the Fourth Proportional to 1,224.12, 1,836.17 and 444.22

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Solution

The fourth proportional to 1,224.12, 1,836.17 and 444.22 is: 666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.12 : 1,836.17 = 444.22 : x
  2. Step 2: Convert to fraction form
    1,224.12/1,836.17 = 444.22/x
  3. Step 3: Cross multiply
    1,224.12x = 1,836.17 × 444.22
  4. Step 4: Simplify right side
    1,224.12x = 815,663.44
  5. Step 5: Solve for x
    x = 815,663.44/1,224.12
  6. Step 6: Final answer
    x = 666.33

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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.