Home / 2,186.26-3,016.97-1,191.51

Finding the Fourth Proportional to 2,186.26, 3,016.97 and 1,191.51

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Solution

The fourth proportional to 2,186.26, 3,016.97 and 1,191.51 is: 1,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.26 : 3,016.97 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    2,186.26/3,016.97 = 1,191.51/x
  3. Step 3: Cross multiply
    2,186.26x = 3,016.97 × 1,191.51
  4. Step 4: Simplify right side
    2,186.26x = 3,594,749.92
  5. Step 5: Solve for x
    x = 3,594,749.92/2,186.26
  6. Step 6: Final answer
    x = 1,644.25

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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.