Home / 3,166.28-4,749.98-1,218.33

Finding the Fourth Proportional to 3,166.28, 4,749.98 and 1,218.33

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Solution

The fourth proportional to 3,166.28, 4,749.98 and 1,218.33 is: 1,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.28 : 4,749.98 = 1,218.33 : x
  2. Step 2: Convert to fraction form
    3,166.28/4,749.98 = 1,218.33/x
  3. Step 3: Cross multiply
    3,166.28x = 4,749.98 × 1,218.33
  4. Step 4: Simplify right side
    3,166.28x = 5,787,037.04
  5. Step 5: Solve for x
    x = 5,787,037.04/3,166.28
  6. Step 6: Final answer
    x = 1,827.71

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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.