Home / 3,381.98-4,665.67-2,122.83

Finding the Fourth Proportional to 3,381.98, 4,665.67 and 2,122.83

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Solution

The fourth proportional to 3,381.98, 4,665.67 and 2,122.83 is: 2,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.98 : 4,665.67 = 2,122.83 : x
  2. Step 2: Convert to fraction form
    3,381.98/4,665.67 = 2,122.83/x
  3. Step 3: Cross multiply
    3,381.98x = 4,665.67 × 2,122.83
  4. Step 4: Simplify right side
    3,381.98x = 9,904,418.94
  5. Step 5: Solve for x
    x = 9,904,418.94/3,381.98
  6. Step 6: Final answer
    x = 2,928.59

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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.