Home / 2,192.81-3,026.06-1,198.06

Finding the Fourth Proportional to 2,192.81, 3,026.06 and 1,198.06

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Solution

The fourth proportional to 2,192.81, 3,026.06 and 1,198.06 is: 1,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.81 : 3,026.06 = 1,198.06 : x
  2. Step 2: Convert to fraction form
    2,192.81/3,026.06 = 1,198.06/x
  3. Step 3: Cross multiply
    2,192.81x = 3,026.06 × 1,198.06
  4. Step 4: Simplify right side
    2,192.81x = 3,625,392.38
  5. Step 5: Solve for x
    x = 3,625,392.38/2,192.81
  6. Step 6: Final answer
    x = 1,653.31

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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.