Home / 3,975.82-5,486.22-2,297.76

Finding the Fourth Proportional to 3,975.82, 5,486.22 and 2,297.76

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Solution

The fourth proportional to 3,975.82, 5,486.22 and 2,297.76 is: 3,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.82 : 5,486.22 = 2,297.76 : x
  2. Step 2: Convert to fraction form
    3,975.82/5,486.22 = 2,297.76/x
  3. Step 3: Cross multiply
    3,975.82x = 5,486.22 × 2,297.76
  4. Step 4: Simplify right side
    3,975.82x = 12,606,016.87
  5. Step 5: Solve for x
    x = 12,606,016.87/3,975.82
  6. Step 6: Final answer
    x = 3,170.67

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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.