Home / 3,195.03-4,409.09-1,797.78

Finding the Fourth Proportional to 3,195.03, 4,409.09 and 1,797.78

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Solution

The fourth proportional to 3,195.03, 4,409.09 and 1,797.78 is: 2,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.03 : 4,409.09 = 1,797.78 : x
  2. Step 2: Convert to fraction form
    3,195.03/4,409.09 = 1,797.78/x
  3. Step 3: Cross multiply
    3,195.03x = 4,409.09 × 1,797.78
  4. Step 4: Simplify right side
    3,195.03x = 7,926,573.82
  5. Step 5: Solve for x
    x = 7,926,573.82/3,195.03
  6. Step 6: Final answer
    x = 2,480.91

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1.5x scale

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.