Home / 3,722.34-5,136.99-2,230.50

Finding the Fourth Proportional to 3,722.34, 5,136.99 and 2,230.50

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Solution

The fourth proportional to 3,722.34, 5,136.99 and 2,230.50 is: 3,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.34 : 5,136.99 = 2,230.50 : x
  2. Step 2: Convert to fraction form
    3,722.34/5,136.99 = 2,230.50/x
  3. Step 3: Cross multiply
    3,722.34x = 5,136.99 × 2,230.50
  4. Step 4: Simplify right side
    3,722.34x = 11,458,056.20
  5. Step 5: Solve for x
    x = 11,458,056.20/3,722.34
  6. Step 6: Final answer
    x = 3,078.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.