Home / 3,792.86-5,234.33-2,114.28

Finding the Fourth Proportional to 3,792.86, 5,234.33 and 2,114.28

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Solution

The fourth proportional to 3,792.86, 5,234.33 and 2,114.28 is: 2,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.86 : 5,234.33 = 2,114.28 : x
  2. Step 2: Convert to fraction form
    3,792.86/5,234.33 = 2,114.28/x
  3. Step 3: Cross multiply
    3,792.86x = 5,234.33 × 2,114.28
  4. Step 4: Simplify right side
    3,792.86x = 11,066,849.68
  5. Step 5: Solve for x
    x = 11,066,849.68/3,792.86
  6. Step 6: Final answer
    x = 2,917.81

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1.5x scale

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.