Home / 3,305.67-4,561.82-1,813.61

Finding the Fourth Proportional to 3,305.67, 4,561.82 and 1,813.61

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Solution

The fourth proportional to 3,305.67, 4,561.82 and 1,813.61 is: 2,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.67 : 4,561.82 = 1,813.61 : x
  2. Step 2: Convert to fraction form
    3,305.67/4,561.82 = 1,813.61/x
  3. Step 3: Cross multiply
    3,305.67x = 4,561.82 × 1,813.61
  4. Step 4: Simplify right side
    3,305.67x = 8,273,362.37
  5. Step 5: Solve for x
    x = 8,273,362.37/3,305.67
  6. Step 6: Final answer
    x = 2,502.78

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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.