Home / 3,180.62-4,765.74-1,618.48

Finding the Fourth Proportional to 3,180.62, 4,765.74 and 1,618.48

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Solution

The fourth proportional to 3,180.62, 4,765.74 and 1,618.48 is: 2,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.62 : 4,765.74 = 1,618.48 : x
  2. Step 2: Convert to fraction form
    3,180.62/4,765.74 = 1,618.48/x
  3. Step 3: Cross multiply
    3,180.62x = 4,765.74 × 1,618.48
  4. Step 4: Simplify right side
    3,180.62x = 7,713,235.09
  5. Step 5: Solve for x
    x = 7,713,235.09/3,180.62
  6. Step 6: Final answer
    x = 2,425.07

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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.