Home / 3,122.07-4,660.32-2,727.96

Finding the Fourth Proportional to 3,122.07, 4,660.32 and 2,727.96

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Solution

The fourth proportional to 3,122.07, 4,660.32 and 2,727.96 is: 4,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.07 : 4,660.32 = 2,727.96 : x
  2. Step 2: Convert to fraction form
    3,122.07/4,660.32 = 2,727.96/x
  3. Step 3: Cross multiply
    3,122.07x = 4,660.32 × 2,727.96
  4. Step 4: Simplify right side
    3,122.07x = 12,713,169.74
  5. Step 5: Solve for x
    x = 12,713,169.74/3,122.07
  6. Step 6: Final answer
    x = 4,072.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.