Home / 3,784.50-5,222.70-2,213.46

Finding the Fourth Proportional to 3,784.50, 5,222.70 and 2,213.46

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Solution

The fourth proportional to 3,784.50, 5,222.70 and 2,213.46 is: 3,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.50 : 5,222.70 = 2,213.46 : x
  2. Step 2: Convert to fraction form
    3,784.50/5,222.70 = 2,213.46/x
  3. Step 3: Cross multiply
    3,784.50x = 5,222.70 × 2,213.46
  4. Step 4: Simplify right side
    3,784.50x = 11,560,237.54
  5. Step 5: Solve for x
    x = 11,560,237.54/3,784.50
  6. Step 6: Final answer
    x = 3,054.63

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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.