Home / 3,355.97-4,631.25-1,863.85

Finding the Fourth Proportional to 3,355.97, 4,631.25 and 1,863.85

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Solution

The fourth proportional to 3,355.97, 4,631.25 and 1,863.85 is: 2,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.97 : 4,631.25 = 1,863.85 : x
  2. Step 2: Convert to fraction form
    3,355.97/4,631.25 = 1,863.85/x
  3. Step 3: Cross multiply
    3,355.97x = 4,631.25 × 1,863.85
  4. Step 4: Simplify right side
    3,355.97x = 8,631,951.22
  5. Step 5: Solve for x
    x = 8,631,951.22/3,355.97
  6. Step 6: Final answer
    x = 2,572.12

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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.