Home / 2,134.29-3,197.10-1,091.21

Finding the Fourth Proportional to 2,134.29, 3,197.10 and 1,091.21

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Solution

The fourth proportional to 2,134.29, 3,197.10 and 1,091.21 is: 1,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.29 : 3,197.10 = 1,091.21 : x
  2. Step 2: Convert to fraction form
    2,134.29/3,197.10 = 1,091.21/x
  3. Step 3: Cross multiply
    2,134.29x = 3,197.10 × 1,091.21
  4. Step 4: Simplify right side
    2,134.29x = 3,488,707.49
  5. Step 5: Solve for x
    x = 3,488,707.49/2,134.29
  6. Step 6: Final answer
    x = 1,634.60

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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.