Home / 3,438.75-4,745.22-2,002.98

Finding the Fourth Proportional to 3,438.75, 4,745.22 and 2,002.98

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Solution

The fourth proportional to 3,438.75, 4,745.22 and 2,002.98 is: 2,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.75 : 4,745.22 = 2,002.98 : x
  2. Step 2: Convert to fraction form
    3,438.75/4,745.22 = 2,002.98/x
  3. Step 3: Cross multiply
    3,438.75x = 4,745.22 × 2,002.98
  4. Step 4: Simplify right side
    3,438.75x = 9,504,580.76
  5. Step 5: Solve for x
    x = 9,504,580.76/3,438.75
  6. Step 6: Final answer
    x = 2,763.96

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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.