Home / 3,823.20-5,735.70-1,974.60

Finding the Fourth Proportional to 3,823.20, 5,735.70 and 1,974.60

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Solution

The fourth proportional to 3,823.20, 5,735.70 and 1,974.60 is: 2,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.20 : 5,735.70 = 1,974.60 : x
  2. Step 2: Convert to fraction form
    3,823.20/5,735.70 = 1,974.60/x
  3. Step 3: Cross multiply
    3,823.20x = 5,735.70 × 1,974.60
  4. Step 4: Simplify right side
    3,823.20x = 11,325,713.22
  5. Step 5: Solve for x
    x = 11,325,713.22/3,823.20
  6. Step 6: Final answer
    x = 2,962.36

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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.