Home / 3,426.94-4,728.68-1,914.50

Finding the Fourth Proportional to 3,426.94, 4,728.68 and 1,914.50

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Solution

The fourth proportional to 3,426.94, 4,728.68 and 1,914.50 is: 2,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.94 : 4,728.68 = 1,914.50 : x
  2. Step 2: Convert to fraction form
    3,426.94/4,728.68 = 1,914.50/x
  3. Step 3: Cross multiply
    3,426.94x = 4,728.68 × 1,914.50
  4. Step 4: Simplify right side
    3,426.94x = 9,053,067.29
  5. Step 5: Solve for x
    x = 9,053,067.29/3,426.94
  6. Step 6: Final answer
    x = 2,641.73

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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.