Home / 3,331.93-5,000.94-1,689.61

Finding the Fourth Proportional to 3,331.93, 5,000.94 and 1,689.61

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Solution

The fourth proportional to 3,331.93, 5,000.94 and 1,689.61 is: 2,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.93 : 5,000.94 = 1,689.61 : x
  2. Step 2: Convert to fraction form
    3,331.93/5,000.94 = 1,689.61/x
  3. Step 3: Cross multiply
    3,331.93x = 5,000.94 × 1,689.61
  4. Step 4: Simplify right side
    3,331.93x = 8,449,625.73
  5. Step 5: Solve for x
    x = 8,449,625.73/3,331.93
  6. Step 6: Final answer
    x = 2,535.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.