Home / 3,407.58-5,108.13-2,171.52

Finding the Fourth Proportional to 3,407.58, 5,108.13 and 2,171.52

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Solution

The fourth proportional to 3,407.58, 5,108.13 and 2,171.52 is: 3,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.58 : 5,108.13 = 2,171.52 : x
  2. Step 2: Convert to fraction form
    3,407.58/5,108.13 = 2,171.52/x
  3. Step 3: Cross multiply
    3,407.58x = 5,108.13 × 2,171.52
  4. Step 4: Simplify right side
    3,407.58x = 11,092,406.46
  5. Step 5: Solve for x
    x = 11,092,406.46/3,407.58
  6. Step 6: Final answer
    x = 3,255.22

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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.