Home / 2,339.94-3,229.53-1,395.79

Finding the Fourth Proportional to 2,339.94, 3,229.53 and 1,395.79

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Solution

The fourth proportional to 2,339.94, 3,229.53 and 1,395.79 is: 1,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.94 : 3,229.53 = 1,395.79 : x
  2. Step 2: Convert to fraction form
    2,339.94/3,229.53 = 1,395.79/x
  3. Step 3: Cross multiply
    2,339.94x = 3,229.53 × 1,395.79
  4. Step 4: Simplify right side
    2,339.94x = 4,507,738.70
  5. Step 5: Solve for x
    x = 4,507,738.70/2,339.94
  6. Step 6: Final answer
    x = 1,926.43

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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.