Home / 3,896.01-5,843.81-1,122.57

Finding the Fourth Proportional to 3,896.01, 5,843.81 and 1,122.57

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Solution

The fourth proportional to 3,896.01, 5,843.81 and 1,122.57 is: 1,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.01 : 5,843.81 = 1,122.57 : x
  2. Step 2: Convert to fraction form
    3,896.01/5,843.81 = 1,122.57/x
  3. Step 3: Cross multiply
    3,896.01x = 5,843.81 × 1,122.57
  4. Step 4: Simplify right side
    3,896.01x = 6,560,080.18
  5. Step 5: Solve for x
    x = 6,560,080.18/3,896.01
  6. Step 6: Final answer
    x = 1,683.79

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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.