Home / 2,198.96-3,034.84-1,267.76

Finding the Fourth Proportional to 2,198.96, 3,034.84 and 1,267.76

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Solution

The fourth proportional to 2,198.96, 3,034.84 and 1,267.76 is: 1,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.96 : 3,034.84 = 1,267.76 : x
  2. Step 2: Convert to fraction form
    2,198.96/3,034.84 = 1,267.76/x
  3. Step 3: Cross multiply
    2,198.96x = 3,034.84 × 1,267.76
  4. Step 4: Simplify right side
    2,198.96x = 3,847,448.76
  5. Step 5: Solve for x
    x = 3,847,448.76/2,198.96
  6. Step 6: Final answer
    x = 1,749.67

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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.