Home / 3,066.80-4,600.35-1,608.80

Finding the Fourth Proportional to 3,066.80, 4,600.35 and 1,608.80

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Solution

The fourth proportional to 3,066.80, 4,600.35 and 1,608.80 is: 2,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.80 : 4,600.35 = 1,608.80 : x
  2. Step 2: Convert to fraction form
    3,066.80/4,600.35 = 1,608.80/x
  3. Step 3: Cross multiply
    3,066.80x = 4,600.35 × 1,608.80
  4. Step 4: Simplify right side
    3,066.80x = 7,401,043.08
  5. Step 5: Solve for x
    x = 7,401,043.08/3,066.80
  6. Step 6: Final answer
    x = 2,413.28

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1.5x scale

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.