Home / 2,134.12-2,945.22-1,202.92

Finding the Fourth Proportional to 2,134.12, 2,945.22 and 1,202.92

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Solution

The fourth proportional to 2,134.12, 2,945.22 and 1,202.92 is: 1,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.12 : 2,945.22 = 1,202.92 : x
  2. Step 2: Convert to fraction form
    2,134.12/2,945.22 = 1,202.92/x
  3. Step 3: Cross multiply
    2,134.12x = 2,945.22 × 1,202.92
  4. Step 4: Simplify right side
    2,134.12x = 3,542,864.04
  5. Step 5: Solve for x
    x = 3,542,864.04/2,134.12
  6. Step 6: Final answer
    x = 1,660.11

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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.