Home / 3,066.09-4,231.04-1,739.90

Finding the Fourth Proportional to 3,066.09, 4,231.04 and 1,739.90

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Solution

The fourth proportional to 3,066.09, 4,231.04 and 1,739.90 is: 2,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.09 : 4,231.04 = 1,739.90 : x
  2. Step 2: Convert to fraction form
    3,066.09/4,231.04 = 1,739.90/x
  3. Step 3: Cross multiply
    3,066.09x = 4,231.04 × 1,739.90
  4. Step 4: Simplify right side
    3,066.09x = 7,361,556.64
  5. Step 5: Solve for x
    x = 7,361,556.64/3,066.09
  6. Step 6: Final answer
    x = 2,400.96

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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.