Home / 3,407.88-5,116.14-2,176.68

Finding the Fourth Proportional to 3,407.88, 5,116.14 and 2,176.68

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Solution

The fourth proportional to 3,407.88, 5,116.14 and 2,176.68 is: 3,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.88 : 5,116.14 = 2,176.68 : x
  2. Step 2: Convert to fraction form
    3,407.88/5,116.14 = 2,176.68/x
  3. Step 3: Cross multiply
    3,407.88x = 5,116.14 × 2,176.68
  4. Step 4: Simplify right side
    3,407.88x = 11,136,199.62
  5. Step 5: Solve for x
    x = 11,136,199.62/3,407.88
  6. Step 6: Final answer
    x = 3,267.78

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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.