Home / 3,174.23-4,380.45-1,776.98

Finding the Fourth Proportional to 3,174.23, 4,380.45 and 1,776.98

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Solution

The fourth proportional to 3,174.23, 4,380.45 and 1,776.98 is: 2,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.23 : 4,380.45 = 1,776.98 : x
  2. Step 2: Convert to fraction form
    3,174.23/4,380.45 = 1,776.98/x
  3. Step 3: Cross multiply
    3,174.23x = 4,380.45 × 1,776.98
  4. Step 4: Simplify right side
    3,174.23x = 7,783,982.99
  5. Step 5: Solve for x
    x = 7,783,982.99/3,174.23
  6. Step 6: Final answer
    x = 2,452.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.