Home / 3,778.11-5,667.12-1,180.98

Finding the Fourth Proportional to 3,778.11, 5,667.12 and 1,180.98

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Solution

The fourth proportional to 3,778.11, 5,667.12 and 1,180.98 is: 1,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.11 : 5,667.12 = 1,180.98 : x
  2. Step 2: Convert to fraction form
    3,778.11/5,667.12 = 1,180.98/x
  3. Step 3: Cross multiply
    3,778.11x = 5,667.12 × 1,180.98
  4. Step 4: Simplify right side
    3,778.11x = 6,692,755.38
  5. Step 5: Solve for x
    x = 6,692,755.38/3,778.11
  6. Step 6: Final answer
    x = 1,771.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.