Home / 3,146.15-4,716.96-1,479.33

Finding the Fourth Proportional to 3,146.15, 4,716.96 and 1,479.33

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Solution

The fourth proportional to 3,146.15, 4,716.96 and 1,479.33 is: 2,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.15 : 4,716.96 = 1,479.33 : x
  2. Step 2: Convert to fraction form
    3,146.15/4,716.96 = 1,479.33/x
  3. Step 3: Cross multiply
    3,146.15x = 4,716.96 × 1,479.33
  4. Step 4: Simplify right side
    3,146.15x = 6,977,940.44
  5. Step 5: Solve for x
    x = 6,977,940.44/3,146.15
  6. Step 6: Final answer
    x = 2,217.93

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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.