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Finding the Fourth Proportional to 3,371.99, 4,653.29 and 1,879.88

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Solution

The fourth proportional to 3,371.99, 4,653.29 and 1,879.88 is: 2,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.99 : 4,653.29 = 1,879.88 : x
  2. Step 2: Convert to fraction form
    3,371.99/4,653.29 = 1,879.88/x
  3. Step 3: Cross multiply
    3,371.99x = 4,653.29 × 1,879.88
  4. Step 4: Simplify right side
    3,371.99x = 8,747,608.24
  5. Step 5: Solve for x
    x = 8,747,608.24/3,371.99
  6. Step 6: Final answer
    x = 2,594.20

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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.