Home / 3,176.82-4,768.81-1,618.59

Finding the Fourth Proportional to 3,176.82, 4,768.81 and 1,618.59

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Solution

The fourth proportional to 3,176.82, 4,768.81 and 1,618.59 is: 2,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.82 : 4,768.81 = 1,618.59 : x
  2. Step 2: Convert to fraction form
    3,176.82/4,768.81 = 1,618.59/x
  3. Step 3: Cross multiply
    3,176.82x = 4,768.81 × 1,618.59
  4. Step 4: Simplify right side
    3,176.82x = 7,718,744.13
  5. Step 5: Solve for x
    x = 7,718,744.13/3,176.82
  6. Step 6: Final answer
    x = 2,429.71

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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.