Home / 2,971.32-4,453.62-2,238.60

Finding the Fourth Proportional to 2,971.32, 4,453.62 and 2,238.60

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Solution

The fourth proportional to 2,971.32, 4,453.62 and 2,238.60 is: 3,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.32 : 4,453.62 = 2,238.60 : x
  2. Step 2: Convert to fraction form
    2,971.32/4,453.62 = 2,238.60/x
  3. Step 3: Cross multiply
    2,971.32x = 4,453.62 × 2,238.60
  4. Step 4: Simplify right side
    2,971.32x = 9,969,873.73
  5. Step 5: Solve for x
    x = 9,969,873.73/2,971.32
  6. Step 6: Final answer
    x = 3,355.37

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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.