Home / 2,193.10-3,026.44-1,198.36

Finding the Fourth Proportional to 2,193.10, 3,026.44 and 1,198.36

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Solution

The fourth proportional to 2,193.10, 3,026.44 and 1,198.36 is: 1,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.10 : 3,026.44 = 1,198.36 : x
  2. Step 2: Convert to fraction form
    2,193.10/3,026.44 = 1,198.36/x
  3. Step 3: Cross multiply
    2,193.10x = 3,026.44 × 1,198.36
  4. Step 4: Simplify right side
    2,193.10x = 3,626,754.08
  5. Step 5: Solve for x
    x = 3,626,754.08/2,193.10
  6. Step 6: Final answer
    x = 1,653.71

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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.