Home / 3,234.98-4,465.80-2,115.97

Finding the Fourth Proportional to 3,234.98, 4,465.80 and 2,115.97

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Solution

The fourth proportional to 3,234.98, 4,465.80 and 2,115.97 is: 2,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.98 : 4,465.80 = 2,115.97 : x
  2. Step 2: Convert to fraction form
    3,234.98/4,465.80 = 2,115.97/x
  3. Step 3: Cross multiply
    3,234.98x = 4,465.80 × 2,115.97
  4. Step 4: Simplify right side
    3,234.98x = 9,449,487.66
  5. Step 5: Solve for x
    x = 9,449,487.66/3,234.98
  6. Step 6: Final answer
    x = 2,921.03

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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.