Home / 3,174.11-4,380.21-1,776.86

Finding the Fourth Proportional to 3,174.11, 4,380.21 and 1,776.86

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Solution

The fourth proportional to 3,174.11, 4,380.21 and 1,776.86 is: 2,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.11 : 4,380.21 = 1,776.86 : x
  2. Step 2: Convert to fraction form
    3,174.11/4,380.21 = 1,776.86/x
  3. Step 3: Cross multiply
    3,174.11x = 4,380.21 × 1,776.86
  4. Step 4: Simplify right side
    3,174.11x = 7,782,998.04
  5. Step 5: Solve for x
    x = 7,782,998.04/3,174.11
  6. Step 6: Final answer
    x = 2,452.03

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1.5x scale

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.