Home / 3,586.28-5,389.50-2,125.64

Finding the Fourth Proportional to 3,586.28, 5,389.50 and 2,125.64

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Solution

The fourth proportional to 3,586.28, 5,389.50 and 2,125.64 is: 3,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.28 : 5,389.50 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    3,586.28/5,389.50 = 2,125.64/x
  3. Step 3: Cross multiply
    3,586.28x = 5,389.50 × 2,125.64
  4. Step 4: Simplify right side
    3,586.28x = 11,456,136.78
  5. Step 5: Solve for x
    x = 11,456,136.78/3,586.28
  6. Step 6: Final answer
    x = 3,194.43

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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.