Home / 2,207.06-3,045.81-1,212.41

Finding the Fourth Proportional to 2,207.06, 3,045.81 and 1,212.41

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Solution

The fourth proportional to 2,207.06, 3,045.81 and 1,212.41 is: 1,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.06 : 3,045.81 = 1,212.41 : x
  2. Step 2: Convert to fraction form
    2,207.06/3,045.81 = 1,212.41/x
  3. Step 3: Cross multiply
    2,207.06x = 3,045.81 × 1,212.41
  4. Step 4: Simplify right side
    2,207.06x = 3,692,765.53
  5. Step 5: Solve for x
    x = 3,692,765.53/2,207.06
  6. Step 6: Final answer
    x = 1,673.16

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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.