Home / 3,219.96-4,837.32-1,922.34

Finding the Fourth Proportional to 3,219.96, 4,837.32 and 1,922.34

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Solution

The fourth proportional to 3,219.96, 4,837.32 and 1,922.34 is: 2,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.96 : 4,837.32 = 1,922.34 : x
  2. Step 2: Convert to fraction form
    3,219.96/4,837.32 = 1,922.34/x
  3. Step 3: Cross multiply
    3,219.96x = 4,837.32 × 1,922.34
  4. Step 4: Simplify right side
    3,219.96x = 9,298,973.73
  5. Step 5: Solve for x
    x = 9,298,973.73/3,219.96
  6. Step 6: Final answer
    x = 2,887.92

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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.