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Finding the Fourth Proportional to 3,371.88, 4,653.10 and 1,879.84

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Solution

The fourth proportional to 3,371.88, 4,653.10 and 1,879.84 is: 2,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.88 : 4,653.10 = 1,879.84 : x
  2. Step 2: Convert to fraction form
    3,371.88/4,653.10 = 1,879.84/x
  3. Step 3: Cross multiply
    3,371.88x = 4,653.10 × 1,879.84
  4. Step 4: Simplify right side
    3,371.88x = 8,747,083.50
  5. Step 5: Solve for x
    x = 8,747,083.50/3,371.88
  6. Step 6: Final answer
    x = 2,594.13

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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.