Home / 3,986.26-5,501.06-2,217.88

Finding the Fourth Proportional to 3,986.26, 5,501.06 and 2,217.88

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Solution

The fourth proportional to 3,986.26, 5,501.06 and 2,217.88 is: 3,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.26 : 5,501.06 = 2,217.88 : x
  2. Step 2: Convert to fraction form
    3,986.26/5,501.06 = 2,217.88/x
  3. Step 3: Cross multiply
    3,986.26x = 5,501.06 × 2,217.88
  4. Step 4: Simplify right side
    3,986.26x = 12,200,690.95
  5. Step 5: Solve for x
    x = 12,200,690.95/3,986.26
  6. Step 6: Final answer
    x = 3,060.69

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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.