Home / 1,236.44-1,695.46-1,195.04

Finding the Fourth Proportional to 1,236.44, 1,695.46 and 1,195.04

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Solution

The fourth proportional to 1,236.44, 1,695.46 and 1,195.04 is: 1,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.44 : 1,695.46 = 1,195.04 : x
  2. Step 2: Convert to fraction form
    1,236.44/1,695.46 = 1,195.04/x
  3. Step 3: Cross multiply
    1,236.44x = 1,695.46 × 1,195.04
  4. Step 4: Simplify right side
    1,236.44x = 2,026,142.52
  5. Step 5: Solve for x
    x = 2,026,142.52/1,236.44
  6. Step 6: Final answer
    x = 1,638.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.