Home / 3,426.87-4,729.09-1,934.79

Finding the Fourth Proportional to 3,426.87, 4,729.09 and 1,934.79

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Solution

The fourth proportional to 3,426.87, 4,729.09 and 1,934.79 is: 2,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.87 : 4,729.09 = 1,934.79 : x
  2. Step 2: Convert to fraction form
    3,426.87/4,729.09 = 1,934.79/x
  3. Step 3: Cross multiply
    3,426.87x = 4,729.09 × 1,934.79
  4. Step 4: Simplify right side
    3,426.87x = 9,149,796.04
  5. Step 5: Solve for x
    x = 9,149,796.04/3,426.87
  6. Step 6: Final answer
    x = 2,670.02

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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.