Home / 3,196.20-4,794.30-3,147.60

Finding the Fourth Proportional to 3,196.20, 4,794.30 and 3,147.60

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Solution

The fourth proportional to 3,196.20, 4,794.30 and 3,147.60 is: 4,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.20 : 4,794.30 = 3,147.60 : x
  2. Step 2: Convert to fraction form
    3,196.20/4,794.30 = 3,147.60/x
  3. Step 3: Cross multiply
    3,196.20x = 4,794.30 × 3,147.60
  4. Step 4: Simplify right side
    3,196.20x = 15,090,538.68
  5. Step 5: Solve for x
    x = 15,090,538.68/3,196.20
  6. Step 6: Final answer
    x = 4,721.40

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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.