Home / 3,355.43-4,630.50-1,863.56

Finding the Fourth Proportional to 3,355.43, 4,630.50 and 1,863.56

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Solution

The fourth proportional to 3,355.43, 4,630.50 and 1,863.56 is: 2,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.43 : 4,630.50 = 1,863.56 : x
  2. Step 2: Convert to fraction form
    3,355.43/4,630.50 = 1,863.56/x
  3. Step 3: Cross multiply
    3,355.43x = 4,630.50 × 1,863.56
  4. Step 4: Simplify right side
    3,355.43x = 8,629,191.43
  5. Step 5: Solve for x
    x = 8,629,191.43/3,355.43
  6. Step 6: Final answer
    x = 2,571.71

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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.