Home / 3,850.39-5,745.35-3,615.28

Finding the Fourth Proportional to 3,850.39, 5,745.35 and 3,615.28

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Solution

The fourth proportional to 3,850.39, 5,745.35 and 3,615.28 is: 5,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.39 : 5,745.35 = 3,615.28 : x
  2. Step 2: Convert to fraction form
    3,850.39/5,745.35 = 3,615.28/x
  3. Step 3: Cross multiply
    3,850.39x = 5,745.35 × 3,615.28
  4. Step 4: Simplify right side
    3,850.39x = 20,771,048.95
  5. Step 5: Solve for x
    x = 20,771,048.95/3,850.39
  6. Step 6: Final answer
    x = 5,394.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.