Home / 3,934.85-5,904.36-1,745.15

Finding the Fourth Proportional to 3,934.85, 5,904.36 and 1,745.15

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Solution

The fourth proportional to 3,934.85, 5,904.36 and 1,745.15 is: 2,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.85 : 5,904.36 = 1,745.15 : x
  2. Step 2: Convert to fraction form
    3,934.85/5,904.36 = 1,745.15/x
  3. Step 3: Cross multiply
    3,934.85x = 5,904.36 × 1,745.15
  4. Step 4: Simplify right side
    3,934.85x = 10,303,964.33
  5. Step 5: Solve for x
    x = 10,303,964.33/3,934.85
  6. Step 6: Final answer
    x = 2,618.65

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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.