Home / 3,861.56-5,330.15-2,371.67

Finding the Fourth Proportional to 3,861.56, 5,330.15 and 2,371.67

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Solution

The fourth proportional to 3,861.56, 5,330.15 and 2,371.67 is: 3,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.56 : 5,330.15 = 2,371.67 : x
  2. Step 2: Convert to fraction form
    3,861.56/5,330.15 = 2,371.67/x
  3. Step 3: Cross multiply
    3,861.56x = 5,330.15 × 2,371.67
  4. Step 4: Simplify right side
    3,861.56x = 12,641,318.34
  5. Step 5: Solve for x
    x = 12,641,318.34/3,861.56
  6. Step 6: Final answer
    x = 3,273.63

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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.