Home / 3,166.28-4,367.75-1,906.58

Finding the Fourth Proportional to 3,166.28, 4,367.75 and 1,906.58

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Solution

The fourth proportional to 3,166.28, 4,367.75 and 1,906.58 is: 2,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.28 : 4,367.75 = 1,906.58 : x
  2. Step 2: Convert to fraction form
    3,166.28/4,367.75 = 1,906.58/x
  3. Step 3: Cross multiply
    3,166.28x = 4,367.75 × 1,906.58
  4. Step 4: Simplify right side
    3,166.28x = 8,327,464.80
  5. Step 5: Solve for x
    x = 8,327,464.80/3,166.28
  6. Step 6: Final answer
    x = 2,630.05

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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.