Home / 3,195.75-4,795.80-1,143.75

Finding the Fourth Proportional to 3,195.75, 4,795.80 and 1,143.75

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Solution

The fourth proportional to 3,195.75, 4,795.80 and 1,143.75 is: 1,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.75 : 4,795.80 = 1,143.75 : x
  2. Step 2: Convert to fraction form
    3,195.75/4,795.80 = 1,143.75/x
  3. Step 3: Cross multiply
    3,195.75x = 4,795.80 × 1,143.75
  4. Step 4: Simplify right side
    3,195.75x = 5,485,196.25
  5. Step 5: Solve for x
    x = 5,485,196.25/3,195.75
  6. Step 6: Final answer
    x = 1,716.40

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1.5x scale

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.