Home / 3,539.38-5,310.03-1,074.28

Finding the Fourth Proportional to 3,539.38, 5,310.03 and 1,074.28

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Solution

The fourth proportional to 3,539.38, 5,310.03 and 1,074.28 is: 1,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.38 : 5,310.03 = 1,074.28 : x
  2. Step 2: Convert to fraction form
    3,539.38/5,310.03 = 1,074.28/x
  3. Step 3: Cross multiply
    3,539.38x = 5,310.03 × 1,074.28
  4. Step 4: Simplify right side
    3,539.38x = 5,704,459.03
  5. Step 5: Solve for x
    x = 5,704,459.03/3,539.38
  6. Step 6: Final answer
    x = 1,611.71

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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.