Home / 3,792.64-5,233.79-2,113.91

Finding the Fourth Proportional to 3,792.64, 5,233.79 and 2,113.91

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Solution

The fourth proportional to 3,792.64, 5,233.79 and 2,113.91 is: 2,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.64 : 5,233.79 = 2,113.91 : x
  2. Step 2: Convert to fraction form
    3,792.64/5,233.79 = 2,113.91/x
  3. Step 3: Cross multiply
    3,792.64x = 5,233.79 × 2,113.91
  4. Step 4: Simplify right side
    3,792.64x = 11,063,750.45
  5. Step 5: Solve for x
    x = 11,063,750.45/3,792.64
  6. Step 6: Final answer
    x = 2,917.17

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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.