Home / 2,112.32-3,165.17-1,232.64

Finding the Fourth Proportional to 2,112.32, 3,165.17 and 1,232.64

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Solution

The fourth proportional to 2,112.32, 3,165.17 and 1,232.64 is: 1,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.32 : 3,165.17 = 1,232.64 : x
  2. Step 2: Convert to fraction form
    2,112.32/3,165.17 = 1,232.64/x
  3. Step 3: Cross multiply
    2,112.32x = 3,165.17 × 1,232.64
  4. Step 4: Simplify right side
    2,112.32x = 3,901,508.99
  5. Step 5: Solve for x
    x = 3,901,508.99/2,112.32
  6. Step 6: Final answer
    x = 1,847.03

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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.