Home / 2,212.08-3,052.67-1,217.35

Finding the Fourth Proportional to 2,212.08, 3,052.67 and 1,217.35

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Solution

The fourth proportional to 2,212.08, 3,052.67 and 1,217.35 is: 1,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.08 : 3,052.67 = 1,217.35 : x
  2. Step 2: Convert to fraction form
    2,212.08/3,052.67 = 1,217.35/x
  3. Step 3: Cross multiply
    2,212.08x = 3,052.67 × 1,217.35
  4. Step 4: Simplify right side
    2,212.08x = 3,716,167.82
  5. Step 5: Solve for x
    x = 3,716,167.82/2,212.08
  6. Step 6: Final answer
    x = 1,679.94

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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.