Home / 2,192.11-3,025.12-1,197.39

Finding the Fourth Proportional to 2,192.11, 3,025.12 and 1,197.39

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Solution

The fourth proportional to 2,192.11, 3,025.12 and 1,197.39 is: 1,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.11 : 3,025.12 = 1,197.39 : x
  2. Step 2: Convert to fraction form
    2,192.11/3,025.12 = 1,197.39/x
  3. Step 3: Cross multiply
    2,192.11x = 3,025.12 × 1,197.39
  4. Step 4: Simplify right side
    2,192.11x = 3,622,245.44
  5. Step 5: Solve for x
    x = 3,622,245.44/2,192.11
  6. Step 6: Final answer
    x = 1,652.40

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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.