Home / 4,198.23-5,789.28-2,938.89

Finding the Fourth Proportional to 4,198.23, 5,789.28 and 2,938.89

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Solution

The fourth proportional to 4,198.23, 5,789.28 and 2,938.89 is: 4,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.23 : 5,789.28 = 2,938.89 : x
  2. Step 2: Convert to fraction form
    4,198.23/5,789.28 = 2,938.89/x
  3. Step 3: Cross multiply
    4,198.23x = 5,789.28 × 2,938.89
  4. Step 4: Simplify right side
    4,198.23x = 17,014,057.10
  5. Step 5: Solve for x
    x = 17,014,057.10/4,198.23
  6. Step 6: Final answer
    x = 4,052.67

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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.