Home / 3,375.46-5,059.72-1,617.90

Finding the Fourth Proportional to 3,375.46, 5,059.72 and 1,617.90

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Solution

The fourth proportional to 3,375.46, 5,059.72 and 1,617.90 is: 2,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.46 : 5,059.72 = 1,617.90 : x
  2. Step 2: Convert to fraction form
    3,375.46/5,059.72 = 1,617.90/x
  3. Step 3: Cross multiply
    3,375.46x = 5,059.72 × 1,617.90
  4. Step 4: Simplify right side
    3,375.46x = 8,186,120.99
  5. Step 5: Solve for x
    x = 8,186,120.99/3,375.46
  6. Step 6: Final answer
    x = 2,425.19

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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.