Home / 4,078.88-6,114.79-2,431.97

Finding the Fourth Proportional to 4,078.88, 6,114.79 and 2,431.97

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Solution

The fourth proportional to 4,078.88, 6,114.79 and 2,431.97 is: 3,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.88 : 6,114.79 = 2,431.97 : x
  2. Step 2: Convert to fraction form
    4,078.88/6,114.79 = 2,431.97/x
  3. Step 3: Cross multiply
    4,078.88x = 6,114.79 × 2,431.97
  4. Step 4: Simplify right side
    4,078.88x = 14,871,005.27
  5. Step 5: Solve for x
    x = 14,871,005.27/4,078.88
  6. Step 6: Final answer
    x = 3,645.85

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1.5x scale

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.