Home / 2,199.38-3,035.14-1,267.88

Finding the Fourth Proportional to 2,199.38, 3,035.14 and 1,267.88

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Solution

The fourth proportional to 2,199.38, 3,035.14 and 1,267.88 is: 1,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.38 : 3,035.14 = 1,267.88 : x
  2. Step 2: Convert to fraction form
    2,199.38/3,035.14 = 1,267.88/x
  3. Step 3: Cross multiply
    2,199.38x = 3,035.14 × 1,267.88
  4. Step 4: Simplify right side
    2,199.38x = 3,848,174.96
  5. Step 5: Solve for x
    x = 3,848,174.96/2,199.38
  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.