Home / 3,144.99-4,345.56-2,585.03

Finding the Fourth Proportional to 3,144.99, 4,345.56 and 2,585.03

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Solution

The fourth proportional to 3,144.99, 4,345.56 and 2,585.03 is: 3,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.99 : 4,345.56 = 2,585.03 : x
  2. Step 2: Convert to fraction form
    3,144.99/4,345.56 = 2,585.03/x
  3. Step 3: Cross multiply
    3,144.99x = 4,345.56 × 2,585.03
  4. Step 4: Simplify right side
    3,144.99x = 11,233,413.83
  5. Step 5: Solve for x
    x = 11,233,413.83/3,144.99
  6. Step 6: Final answer
    x = 3,571.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.