Home / 3,551.91-5,329.40-1,906.53

Finding the Fourth Proportional to 3,551.91, 5,329.40 and 1,906.53

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Solution

The fourth proportional to 3,551.91, 5,329.40 and 1,906.53 is: 2,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.91 : 5,329.40 = 1,906.53 : x
  2. Step 2: Convert to fraction form
    3,551.91/5,329.40 = 1,906.53/x
  3. Step 3: Cross multiply
    3,551.91x = 5,329.40 × 1,906.53
  4. Step 4: Simplify right side
    3,551.91x = 10,160,670.73
  5. Step 5: Solve for x
    x = 10,160,670.73/3,551.91
  6. Step 6: Final answer
    x = 2,860.62

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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.