Home / 3,329.44-4,992.75-1,479.28

Finding the Fourth Proportional to 3,329.44, 4,992.75 and 1,479.28

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Solution

The fourth proportional to 3,329.44, 4,992.75 and 1,479.28 is: 2,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.44 : 4,992.75 = 1,479.28 : x
  2. Step 2: Convert to fraction form
    3,329.44/4,992.75 = 1,479.28/x
  3. Step 3: Cross multiply
    3,329.44x = 4,992.75 × 1,479.28
  4. Step 4: Simplify right side
    3,329.44x = 7,385,675.22
  5. Step 5: Solve for x
    x = 7,385,675.22/3,329.44
  6. Step 6: Final answer
    x = 2,218.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.