Home / 2,212.10-3,052.69-1,217.44

Finding the Fourth Proportional to 2,212.10, 3,052.69 and 1,217.44

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Solution

The fourth proportional to 2,212.10, 3,052.69 and 1,217.44 is: 1,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.10 : 3,052.69 = 1,217.44 : x
  2. Step 2: Convert to fraction form
    2,212.10/3,052.69 = 1,217.44/x
  3. Step 3: Cross multiply
    2,212.10x = 3,052.69 × 1,217.44
  4. Step 4: Simplify right side
    2,212.10x = 3,716,472.25
  5. Step 5: Solve for x
    x = 3,716,472.25/2,212.10
  6. Step 6: Final answer
    x = 1,680.07

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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.