Home / 3,399.68-4,691.43-1,907.66

Finding the Fourth Proportional to 3,399.68, 4,691.43 and 1,907.66

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Solution

The fourth proportional to 3,399.68, 4,691.43 and 1,907.66 is: 2,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.68 : 4,691.43 = 1,907.66 : x
  2. Step 2: Convert to fraction form
    3,399.68/4,691.43 = 1,907.66/x
  3. Step 3: Cross multiply
    3,399.68x = 4,691.43 × 1,907.66
  4. Step 4: Simplify right side
    3,399.68x = 8,949,629.90
  5. Step 5: Solve for x
    x = 8,949,629.90/3,399.68
  6. Step 6: Final answer
    x = 2,632.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.