Home / 3,421.66-5,124.34-2,185.24

Finding the Fourth Proportional to 3,421.66, 5,124.34 and 2,185.24

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Solution

The fourth proportional to 3,421.66, 5,124.34 and 2,185.24 is: 3,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.66 : 5,124.34 = 2,185.24 : x
  2. Step 2: Convert to fraction form
    3,421.66/5,124.34 = 2,185.24/x
  3. Step 3: Cross multiply
    3,421.66x = 5,124.34 × 2,185.24
  4. Step 4: Simplify right side
    3,421.66x = 11,197,912.74
  5. Step 5: Solve for x
    x = 11,197,912.74/3,421.66
  6. Step 6: Final answer
    x = 3,272.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.