Home / 3,850.33-5,775.25-1,385.08

Finding the Fourth Proportional to 3,850.33, 5,775.25 and 1,385.08

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Solution

The fourth proportional to 3,850.33, 5,775.25 and 1,385.08 is: 2,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.33 : 5,775.25 = 1,385.08 : x
  2. Step 2: Convert to fraction form
    3,850.33/5,775.25 = 1,385.08/x
  3. Step 3: Cross multiply
    3,850.33x = 5,775.25 × 1,385.08
  4. Step 4: Simplify right side
    3,850.33x = 7,999,183.27
  5. Step 5: Solve for x
    x = 7,999,183.27/3,850.33
  6. Step 6: Final answer
    x = 2,077.53

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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.