Home / 2,198.44-3,310.40-1,586.32

Finding the Fourth Proportional to 2,198.44, 3,310.40 and 1,586.32

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Solution

The fourth proportional to 2,198.44, 3,310.40 and 1,586.32 is: 2,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.44 : 3,310.40 = 1,586.32 : x
  2. Step 2: Convert to fraction form
    2,198.44/3,310.40 = 1,586.32/x
  3. Step 3: Cross multiply
    2,198.44x = 3,310.40 × 1,586.32
  4. Step 4: Simplify right side
    2,198.44x = 5,251,353.73
  5. Step 5: Solve for x
    x = 5,251,353.73/2,198.44
  6. Step 6: Final answer
    x = 2,388.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.