Home / 3,539.54-5,310.16-1,074.21

Finding the Fourth Proportional to 3,539.54, 5,310.16 and 1,074.21

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Solution

The fourth proportional to 3,539.54, 5,310.16 and 1,074.21 is: 1,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.54 : 5,310.16 = 1,074.21 : x
  2. Step 2: Convert to fraction form
    3,539.54/5,310.16 = 1,074.21/x
  3. Step 3: Cross multiply
    3,539.54x = 5,310.16 × 1,074.21
  4. Step 4: Simplify right side
    3,539.54x = 5,704,226.97
  5. Step 5: Solve for x
    x = 5,704,226.97/3,539.54
  6. Step 6: Final answer
    x = 1,611.57

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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.