Home / 3,922.68-5,411.70-2,350.74

Finding the Fourth Proportional to 3,922.68, 5,411.70 and 2,350.74

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Solution

The fourth proportional to 3,922.68, 5,411.70 and 2,350.74 is: 3,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.68 : 5,411.70 = 2,350.74 : x
  2. Step 2: Convert to fraction form
    3,922.68/5,411.70 = 2,350.74/x
  3. Step 3: Cross multiply
    3,922.68x = 5,411.70 × 2,350.74
  4. Step 4: Simplify right side
    3,922.68x = 12,721,499.66
  5. Step 5: Solve for x
    x = 12,721,499.66/3,922.68
  6. Step 6: Final answer
    x = 3,243.06

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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.