Home / 3,174.18-4,380.21-1,777.02

Finding the Fourth Proportional to 3,174.18, 4,380.21 and 1,777.02

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Solution

The fourth proportional to 3,174.18, 4,380.21 and 1,777.02 is: 2,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.18 : 4,380.21 = 1,777.02 : x
  2. Step 2: Convert to fraction form
    3,174.18/4,380.21 = 1,777.02/x
  3. Step 3: Cross multiply
    3,174.18x = 4,380.21 × 1,777.02
  4. Step 4: Simplify right side
    3,174.18x = 7,783,720.77
  5. Step 5: Solve for x
    x = 7,783,720.77/3,174.18
  6. Step 6: Final answer
    x = 2,452.20

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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.