Home / 3,077.92-4,246.07-2,238.25

Finding the Fourth Proportional to 3,077.92, 4,246.07 and 2,238.25

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Solution

The fourth proportional to 3,077.92, 4,246.07 and 2,238.25 is: 3,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.92 : 4,246.07 = 2,238.25 : x
  2. Step 2: Convert to fraction form
    3,077.92/4,246.07 = 2,238.25/x
  3. Step 3: Cross multiply
    3,077.92x = 4,246.07 × 2,238.25
  4. Step 4: Simplify right side
    3,077.92x = 9,503,766.18
  5. Step 5: Solve for x
    x = 9,503,766.18/3,077.92
  6. Step 6: Final answer
    x = 3,087.73

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1.5x scale

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.