Home / 1,940.22-2,921.85-1,747.49

Finding the Fourth Proportional to 1,940.22, 2,921.85 and 1,747.49

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Solution

The fourth proportional to 1,940.22, 2,921.85 and 1,747.49 is: 2,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.22 : 2,921.85 = 1,747.49 : x
  2. Step 2: Convert to fraction form
    1,940.22/2,921.85 = 1,747.49/x
  3. Step 3: Cross multiply
    1,940.22x = 2,921.85 × 1,747.49
  4. Step 4: Simplify right side
    1,940.22x = 5,105,889.05
  5. Step 5: Solve for x
    x = 5,105,889.05/1,940.22
  6. Step 6: Final answer
    x = 2,631.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.