Home / 3,161.94-4,365.53-2,829.79

Finding the Fourth Proportional to 3,161.94, 4,365.53 and 2,829.79

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Solution

The fourth proportional to 3,161.94, 4,365.53 and 2,829.79 is: 3,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.94 : 4,365.53 = 2,829.79 : x
  2. Step 2: Convert to fraction form
    3,161.94/4,365.53 = 2,829.79/x
  3. Step 3: Cross multiply
    3,161.94x = 4,365.53 × 2,829.79
  4. Step 4: Simplify right side
    3,161.94x = 12,353,518.99
  5. Step 5: Solve for x
    x = 12,353,518.99/3,161.94
  6. Step 6: Final answer
    x = 3,906.95

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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.