Home / 2,207.22-3,046.02-1,212.59

Finding the Fourth Proportional to 2,207.22, 3,046.02 and 1,212.59

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Solution

The fourth proportional to 2,207.22, 3,046.02 and 1,212.59 is: 1,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.22 : 3,046.02 = 1,212.59 : x
  2. Step 2: Convert to fraction form
    2,207.22/3,046.02 = 1,212.59/x
  3. Step 3: Cross multiply
    2,207.22x = 3,046.02 × 1,212.59
  4. Step 4: Simplify right side
    2,207.22x = 3,693,573.39
  5. Step 5: Solve for x
    x = 3,693,573.39/2,207.22
  6. Step 6: Final answer
    x = 1,673.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.