Home / 3,923.16-5,879.73-1,838.57

Finding the Fourth Proportional to 3,923.16, 5,879.73 and 1,838.57

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Solution

The fourth proportional to 3,923.16, 5,879.73 and 1,838.57 is: 2,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.16 : 5,879.73 = 1,838.57 : x
  2. Step 2: Convert to fraction form
    3,923.16/5,879.73 = 1,838.57/x
  3. Step 3: Cross multiply
    3,923.16x = 5,879.73 × 1,838.57
  4. Step 4: Simplify right side
    3,923.16x = 10,810,272.68
  5. Step 5: Solve for x
    x = 10,810,272.68/3,923.16
  6. Step 6: Final answer
    x = 2,755.50

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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.