Home / 3,946.08-5,906.80-2,907.25

Finding the Fourth Proportional to 3,946.08, 5,906.80 and 2,907.25

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Solution

The fourth proportional to 3,946.08, 5,906.80 and 2,907.25 is: 4,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.08 : 5,906.80 = 2,907.25 : x
  2. Step 2: Convert to fraction form
    3,946.08/5,906.80 = 2,907.25/x
  3. Step 3: Cross multiply
    3,946.08x = 5,906.80 × 2,907.25
  4. Step 4: Simplify right side
    3,946.08x = 17,172,544.30
  5. Step 5: Solve for x
    x = 17,172,544.30/3,946.08
  6. Step 6: Final answer
    x = 4,351.80

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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.