Home / 3,580.56-4,939.14-2,253.78

Finding the Fourth Proportional to 3,580.56, 4,939.14 and 2,253.78

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Solution

The fourth proportional to 3,580.56, 4,939.14 and 2,253.78 is: 3,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.56 : 4,939.14 = 2,253.78 : x
  2. Step 2: Convert to fraction form
    3,580.56/4,939.14 = 2,253.78/x
  3. Step 3: Cross multiply
    3,580.56x = 4,939.14 × 2,253.78
  4. Step 4: Simplify right side
    3,580.56x = 11,131,734.95
  5. Step 5: Solve for x
    x = 11,131,734.95/3,580.56
  6. Step 6: Final answer
    x = 3,108.94

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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.