Home / 3,181.04-4,388.82-1,922.57

Finding the Fourth Proportional to 3,181.04, 4,388.82 and 1,922.57

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Solution

The fourth proportional to 3,181.04, 4,388.82 and 1,922.57 is: 2,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.04 : 4,388.82 = 1,922.57 : x
  2. Step 2: Convert to fraction form
    3,181.04/4,388.82 = 1,922.57/x
  3. Step 3: Cross multiply
    3,181.04x = 4,388.82 × 1,922.57
  4. Step 4: Simplify right side
    3,181.04x = 8,437,813.67
  5. Step 5: Solve for x
    x = 8,437,813.67/3,181.04
  6. Step 6: Final answer
    x = 2,652.53

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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.