Home / 2,960.31-4,055.57-2,849.52

Finding the Fourth Proportional to 2,960.31, 4,055.57 and 2,849.52

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Solution

The fourth proportional to 2,960.31, 4,055.57 and 2,849.52 is: 3,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.31 : 4,055.57 = 2,849.52 : x
  2. Step 2: Convert to fraction form
    2,960.31/4,055.57 = 2,849.52/x
  3. Step 3: Cross multiply
    2,960.31x = 4,055.57 × 2,849.52
  4. Step 4: Simplify right side
    2,960.31x = 11,556,413.58
  5. Step 5: Solve for x
    x = 11,556,413.58/2,960.31
  6. Step 6: Final answer
    x = 3,903.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.