Home / 2,207.29-3,046.10-1,212.67

Finding the Fourth Proportional to 2,207.29, 3,046.10 and 1,212.67

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Solution

The fourth proportional to 2,207.29, 3,046.10 and 1,212.67 is: 1,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.29 : 3,046.10 = 1,212.67 : x
  2. Step 2: Convert to fraction form
    2,207.29/3,046.10 = 1,212.67/x
  3. Step 3: Cross multiply
    2,207.29x = 3,046.10 × 1,212.67
  4. Step 4: Simplify right side
    2,207.29x = 3,693,908.02
  5. Step 5: Solve for x
    x = 3,693,908.02/2,207.29
  6. Step 6: Final answer
    x = 1,673.50

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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.