Home / 3,169.42-4,373.31-1,771.90

Finding the Fourth Proportional to 3,169.42, 4,373.31 and 1,771.90

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Solution

The fourth proportional to 3,169.42, 4,373.31 and 1,771.90 is: 2,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.42 : 4,373.31 = 1,771.90 : x
  2. Step 2: Convert to fraction form
    3,169.42/4,373.31 = 1,771.90/x
  3. Step 3: Cross multiply
    3,169.42x = 4,373.31 × 1,771.90
  4. Step 4: Simplify right side
    3,169.42x = 7,749,067.99
  5. Step 5: Solve for x
    x = 7,749,067.99/3,169.42
  6. Step 6: Final answer
    x = 2,444.95

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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.