Home / 3,329.78-4,995.26-1,382.14

Finding the Fourth Proportional to 3,329.78, 4,995.26 and 1,382.14

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Solution

The fourth proportional to 3,329.78, 4,995.26 and 1,382.14 is: 2,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.78 : 4,995.26 = 1,382.14 : x
  2. Step 2: Convert to fraction form
    3,329.78/4,995.26 = 1,382.14/x
  3. Step 3: Cross multiply
    3,329.78x = 4,995.26 × 1,382.14
  4. Step 4: Simplify right side
    3,329.78x = 6,904,148.66
  5. Step 5: Solve for x
    x = 6,904,148.66/3,329.78
  6. Step 6: Final answer
    x = 2,073.45

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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.