Home / 3,240.62-4,860.69-1,293.26

Finding the Fourth Proportional to 3,240.62, 4,860.69 and 1,293.26

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Solution

The fourth proportional to 3,240.62, 4,860.69 and 1,293.26 is: 1,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.62 : 4,860.69 = 1,293.26 : x
  2. Step 2: Convert to fraction form
    3,240.62/4,860.69 = 1,293.26/x
  3. Step 3: Cross multiply
    3,240.62x = 4,860.69 × 1,293.26
  4. Step 4: Simplify right side
    3,240.62x = 6,286,135.95
  5. Step 5: Solve for x
    x = 6,286,135.95/3,240.62
  6. Step 6: Final answer
    x = 1,939.79

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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.