Home / 3,177.14-4,383.69-2,431.94

Finding the Fourth Proportional to 3,177.14, 4,383.69 and 2,431.94

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Solution

The fourth proportional to 3,177.14, 4,383.69 and 2,431.94 is: 3,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.14 : 4,383.69 = 2,431.94 : x
  2. Step 2: Convert to fraction form
    3,177.14/4,383.69 = 2,431.94/x
  3. Step 3: Cross multiply
    3,177.14x = 4,383.69 × 2,431.94
  4. Step 4: Simplify right side
    3,177.14x = 10,660,871.06
  5. Step 5: Solve for x
    x = 10,660,871.06/3,177.14
  6. Step 6: Final answer
    x = 3,355.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.