Home / 2,939.66-4,057.35-1,761.41

Finding the Fourth Proportional to 2,939.66, 4,057.35 and 1,761.41

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Solution

The fourth proportional to 2,939.66, 4,057.35 and 1,761.41 is: 2,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.66 : 4,057.35 = 1,761.41 : x
  2. Step 2: Convert to fraction form
    2,939.66/4,057.35 = 1,761.41/x
  3. Step 3: Cross multiply
    2,939.66x = 4,057.35 × 1,761.41
  4. Step 4: Simplify right side
    2,939.66x = 7,146,668.54
  5. Step 5: Solve for x
    x = 7,146,668.54/2,939.66
  6. Step 6: Final answer
    x = 2,431.12

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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.