Home / 2,091.14-3,134.67-995.21

Finding the Fourth Proportional to 2,091.14, 3,134.67 and 995.21

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Solution

The fourth proportional to 2,091.14, 3,134.67 and 995.21 is: 1,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.14 : 3,134.67 = 995.21 : x
  2. Step 2: Convert to fraction form
    2,091.14/3,134.67 = 995.21/x
  3. Step 3: Cross multiply
    2,091.14x = 3,134.67 × 995.21
  4. Step 4: Simplify right side
    2,091.14x = 3,119,654.93
  5. Step 5: Solve for x
    x = 3,119,654.93/2,091.14
  6. Step 6: Final answer
    x = 1,491.84

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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.