Home / 3,861.81-5,778.36-2,302.67

Finding the Fourth Proportional to 3,861.81, 5,778.36 and 2,302.67

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Solution

The fourth proportional to 3,861.81, 5,778.36 and 2,302.67 is: 3,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.81 : 5,778.36 = 2,302.67 : x
  2. Step 2: Convert to fraction form
    3,861.81/5,778.36 = 2,302.67/x
  3. Step 3: Cross multiply
    3,861.81x = 5,778.36 × 2,302.67
  4. Step 4: Simplify right side
    3,861.81x = 13,305,627.33
  5. Step 5: Solve for x
    x = 13,305,627.33/3,861.81
  6. Step 6: Final answer
    x = 3,445.44

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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.