Home / 3,308.45-4,966.31-2,794.80

Finding the Fourth Proportional to 3,308.45, 4,966.31 and 2,794.80

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Solution

The fourth proportional to 3,308.45, 4,966.31 and 2,794.80 is: 4,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.45 : 4,966.31 = 2,794.80 : x
  2. Step 2: Convert to fraction form
    3,308.45/4,966.31 = 2,794.80/x
  3. Step 3: Cross multiply
    3,308.45x = 4,966.31 × 2,794.80
  4. Step 4: Simplify right side
    3,308.45x = 13,879,868.80
  5. Step 5: Solve for x
    x = 13,879,868.80/3,308.45
  6. Step 6: Final answer
    x = 4,195.28

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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.