Home / 2,231.37-3,346.09-1,191.14

Finding the Fourth Proportional to 2,231.37, 3,346.09 and 1,191.14

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Solution

The fourth proportional to 2,231.37, 3,346.09 and 1,191.14 is: 1,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.37 : 3,346.09 = 1,191.14 : x
  2. Step 2: Convert to fraction form
    2,231.37/3,346.09 = 1,191.14/x
  3. Step 3: Cross multiply
    2,231.37x = 3,346.09 × 1,191.14
  4. Step 4: Simplify right side
    2,231.37x = 3,985,661.64
  5. Step 5: Solve for x
    x = 3,985,661.64/2,231.37
  6. Step 6: Final answer
    x = 1,786.19

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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.