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Finding the Fourth Proportional to 2,083.35, 3,125.53 and 622.49

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Solution

The fourth proportional to 2,083.35, 3,125.53 and 622.49 is: 933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.35 : 3,125.53 = 622.49 : x
  2. Step 2: Convert to fraction form
    2,083.35/3,125.53 = 622.49/x
  3. Step 3: Cross multiply
    2,083.35x = 3,125.53 × 622.49
  4. Step 4: Simplify right side
    2,083.35x = 1,945,611.17
  5. Step 5: Solve for x
    x = 1,945,611.17/2,083.35
  6. Step 6: Final answer
    x = 933.89

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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.