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Finding the Fourth Proportional to 2,083.50, 3,125.22 and 622.62

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Solution

The fourth proportional to 2,083.50, 3,125.22 and 622.62 is: 933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.50 : 3,125.22 = 622.62 : x
  2. Step 2: Convert to fraction form
    2,083.50/3,125.22 = 622.62/x
  3. Step 3: Cross multiply
    2,083.50x = 3,125.22 × 622.62
  4. Step 4: Simplify right side
    2,083.50x = 1,945,824.48
  5. Step 5: Solve for x
    x = 1,945,824.48/2,083.50
  6. Step 6: Final answer
    x = 933.92

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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.