Home / 3,876.46-5,814.75-3,679.54

Finding the Fourth Proportional to 3,876.46, 5,814.75 and 3,679.54

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Solution

The fourth proportional to 3,876.46, 5,814.75 and 3,679.54 is: 5,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.46 : 5,814.75 = 3,679.54 : x
  2. Step 2: Convert to fraction form
    3,876.46/5,814.75 = 3,679.54/x
  3. Step 3: Cross multiply
    3,876.46x = 5,814.75 × 3,679.54
  4. Step 4: Simplify right side
    3,876.46x = 21,395,605.22
  5. Step 5: Solve for x
    x = 21,395,605.22/3,876.46
  6. Step 6: Final answer
    x = 5,519.37

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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.