Home / 3,106.68-4,661.60-2,067.40

Finding the Fourth Proportional to 3,106.68, 4,661.60 and 2,067.40

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Solution

The fourth proportional to 3,106.68, 4,661.60 and 2,067.40 is: 3,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.68 : 4,661.60 = 2,067.40 : x
  2. Step 2: Convert to fraction form
    3,106.68/4,661.60 = 2,067.40/x
  3. Step 3: Cross multiply
    3,106.68x = 4,661.60 × 2,067.40
  4. Step 4: Simplify right side
    3,106.68x = 9,637,391.84
  5. Step 5: Solve for x
    x = 9,637,391.84/3,106.68
  6. Step 6: Final answer
    x = 3,102.15

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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.