Home / 3,821.92-5,735.04-1,225.60

Finding the Fourth Proportional to 3,821.92, 5,735.04 and 1,225.60

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Solution

The fourth proportional to 3,821.92, 5,735.04 and 1,225.60 is: 1,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.92 : 5,735.04 = 1,225.60 : x
  2. Step 2: Convert to fraction form
    3,821.92/5,735.04 = 1,225.60/x
  3. Step 3: Cross multiply
    3,821.92x = 5,735.04 × 1,225.60
  4. Step 4: Simplify right side
    3,821.92x = 7,028,865.02
  5. Step 5: Solve for x
    x = 7,028,865.02/3,821.92
  6. Step 6: Final answer
    x = 1,839.09

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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.