Home / 2,219.73-3,327.22-1,670.21

Finding the Fourth Proportional to 2,219.73, 3,327.22 and 1,670.21

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Solution

The fourth proportional to 2,219.73, 3,327.22 and 1,670.21 is: 2,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.73 : 3,327.22 = 1,670.21 : x
  2. Step 2: Convert to fraction form
    2,219.73/3,327.22 = 1,670.21/x
  3. Step 3: Cross multiply
    2,219.73x = 3,327.22 × 1,670.21
  4. Step 4: Simplify right side
    2,219.73x = 5,557,154.04
  5. Step 5: Solve for x
    x = 5,557,154.04/2,219.73
  6. Step 6: Final answer
    x = 2,503.53

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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.