Home / 3,179.59-4,769.14-1,618.62

Finding the Fourth Proportional to 3,179.59, 4,769.14 and 1,618.62

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Solution

The fourth proportional to 3,179.59, 4,769.14 and 1,618.62 is: 2,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.59 : 4,769.14 = 1,618.62 : x
  2. Step 2: Convert to fraction form
    3,179.59/4,769.14 = 1,618.62/x
  3. Step 3: Cross multiply
    3,179.59x = 4,769.14 × 1,618.62
  4. Step 4: Simplify right side
    3,179.59x = 7,719,425.39
  5. Step 5: Solve for x
    x = 7,719,425.39/3,179.59
  6. Step 6: Final answer
    x = 2,427.81

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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.