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Finding the Fourth Proportional to 3,792.26, 5,689.52 and 1,944.68

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Solution

The fourth proportional to 3,792.26, 5,689.52 and 1,944.68 is: 2,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.26 : 5,689.52 = 1,944.68 : x
  2. Step 2: Convert to fraction form
    3,792.26/5,689.52 = 1,944.68/x
  3. Step 3: Cross multiply
    3,792.26x = 5,689.52 × 1,944.68
  4. Step 4: Simplify right side
    3,792.26x = 11,064,295.75
  5. Step 5: Solve for x
    x = 11,064,295.75/3,792.26
  6. Step 6: Final answer
    x = 2,917.60

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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.