Home / 3,784.38-5,222.46-2,212.17

Finding the Fourth Proportional to 3,784.38, 5,222.46 and 2,212.17

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Solution

The fourth proportional to 3,784.38, 5,222.46 and 2,212.17 is: 3,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.38 : 5,222.46 = 2,212.17 : x
  2. Step 2: Convert to fraction form
    3,784.38/5,222.46 = 2,212.17/x
  3. Step 3: Cross multiply
    3,784.38x = 5,222.46 × 2,212.17
  4. Step 4: Simplify right side
    3,784.38x = 11,552,969.34
  5. Step 5: Solve for x
    x = 11,552,969.34/3,784.38
  6. Step 6: Final answer
    x = 3,052.80

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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.