Home / 3,910.35-5,861.97-1,443.45

Finding the Fourth Proportional to 3,910.35, 5,861.97 and 1,443.45

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Solution

The fourth proportional to 3,910.35, 5,861.97 and 1,443.45 is: 2,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.35 : 5,861.97 = 1,443.45 : x
  2. Step 2: Convert to fraction form
    3,910.35/5,861.97 = 1,443.45/x
  3. Step 3: Cross multiply
    3,910.35x = 5,861.97 × 1,443.45
  4. Step 4: Simplify right side
    3,910.35x = 8,461,460.60
  5. Step 5: Solve for x
    x = 8,461,460.60/3,910.35
  6. Step 6: Final answer
    x = 2,163.86

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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.