Home / 2,134.92-3,198.04-1,106.76

Finding the Fourth Proportional to 2,134.92, 3,198.04 and 1,106.76

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Solution

The fourth proportional to 2,134.92, 3,198.04 and 1,106.76 is: 1,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.92 : 3,198.04 = 1,106.76 : x
  2. Step 2: Convert to fraction form
    2,134.92/3,198.04 = 1,106.76/x
  3. Step 3: Cross multiply
    2,134.92x = 3,198.04 × 1,106.76
  4. Step 4: Simplify right side
    2,134.92x = 3,539,462.75
  5. Step 5: Solve for x
    x = 3,539,462.75/2,134.92
  6. Step 6: Final answer
    x = 1,657.89

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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.