Home / 3,162.94-4,366.91-2,830.79

Finding the Fourth Proportional to 3,162.94, 4,366.91 and 2,830.79

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Solution

The fourth proportional to 3,162.94, 4,366.91 and 2,830.79 is: 3,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.94 : 4,366.91 = 2,830.79 : x
  2. Step 2: Convert to fraction form
    3,162.94/4,366.91 = 2,830.79/x
  3. Step 3: Cross multiply
    3,162.94x = 4,366.91 × 2,830.79
  4. Step 4: Simplify right side
    3,162.94x = 12,361,805.16
  5. Step 5: Solve for x
    x = 12,361,805.16/3,162.94
  6. Step 6: Final answer
    x = 3,908.33

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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.