Home / 3,850.77-5,745.95-3,615.69

Finding the Fourth Proportional to 3,850.77, 5,745.95 and 3,615.69

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Solution

The fourth proportional to 3,850.77, 5,745.95 and 3,615.69 is: 5,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.77 : 5,745.95 = 3,615.69 : x
  2. Step 2: Convert to fraction form
    3,850.77/5,745.95 = 3,615.69/x
  3. Step 3: Cross multiply
    3,850.77x = 5,745.95 × 3,615.69
  4. Step 4: Simplify right side
    3,850.77x = 20,775,555.88
  5. Step 5: Solve for x
    x = 20,775,555.88/3,850.77
  6. Step 6: Final answer
    x = 5,395.17

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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.