Home / 3,197.80-4,796.70-2,258.20

Finding the Fourth Proportional to 3,197.80, 4,796.70 and 2,258.20

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Solution

The fourth proportional to 3,197.80, 4,796.70 and 2,258.20 is: 3,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.80 : 4,796.70 = 2,258.20 : x
  2. Step 2: Convert to fraction form
    3,197.80/4,796.70 = 2,258.20/x
  3. Step 3: Cross multiply
    3,197.80x = 4,796.70 × 2,258.20
  4. Step 4: Simplify right side
    3,197.80x = 10,831,907.94
  5. Step 5: Solve for x
    x = 10,831,907.94/3,197.80
  6. Step 6: Final answer
    x = 3,387.30

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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.