Home / 3,896.89-5,846.26-1,123.52

Finding the Fourth Proportional to 3,896.89, 5,846.26 and 1,123.52

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Solution

The fourth proportional to 3,896.89, 5,846.26 and 1,123.52 is: 1,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.89 : 5,846.26 = 1,123.52 : x
  2. Step 2: Convert to fraction form
    3,896.89/5,846.26 = 1,123.52/x
  3. Step 3: Cross multiply
    3,896.89x = 5,846.26 × 1,123.52
  4. Step 4: Simplify right side
    3,896.89x = 6,568,358.00
  5. Step 5: Solve for x
    x = 6,568,358.00/3,896.89
  6. Step 6: Final answer
    x = 1,685.54

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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.