Home / 3,889.56-5,833.34-1,424.60

Finding the Fourth Proportional to 3,889.56, 5,833.34 and 1,424.60

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Solution

The fourth proportional to 3,889.56, 5,833.34 and 1,424.60 is: 2,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.56 : 5,833.34 = 1,424.60 : x
  2. Step 2: Convert to fraction form
    3,889.56/5,833.34 = 1,424.60/x
  3. Step 3: Cross multiply
    3,889.56x = 5,833.34 × 1,424.60
  4. Step 4: Simplify right side
    3,889.56x = 8,310,176.16
  5. Step 5: Solve for x
    x = 8,310,176.16/3,889.56
  6. Step 6: Final answer
    x = 2,136.53

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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.