Home / 3,381.03-4,664.38-2,121.23

Finding the Fourth Proportional to 3,381.03, 4,664.38 and 2,121.23

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Solution

The fourth proportional to 3,381.03, 4,664.38 and 2,121.23 is: 2,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.03 : 4,664.38 = 2,121.23 : x
  2. Step 2: Convert to fraction form
    3,381.03/4,664.38 = 2,121.23/x
  3. Step 3: Cross multiply
    3,381.03x = 4,664.38 × 2,121.23
  4. Step 4: Simplify right side
    3,381.03x = 9,894,222.79
  5. Step 5: Solve for x
    x = 9,894,222.79/3,381.03
  6. Step 6: Final answer
    x = 2,926.39

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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.