Home / 2,207.00-3,045.62-1,212.22

Finding the Fourth Proportional to 2,207.00, 3,045.62 and 1,212.22

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Solution

The fourth proportional to 2,207.00, 3,045.62 and 1,212.22 is: 1,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.00 : 3,045.62 = 1,212.22 : x
  2. Step 2: Convert to fraction form
    2,207.00/3,045.62 = 1,212.22/x
  3. Step 3: Cross multiply
    2,207.00x = 3,045.62 × 1,212.22
  4. Step 4: Simplify right side
    2,207.00x = 3,691,944.36
  5. Step 5: Solve for x
    x = 3,691,944.36/2,207.00
  6. Step 6: Final answer
    x = 1,672.84

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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.