Home / 3,066.48-4,231.77-1,669.23

Finding the Fourth Proportional to 3,066.48, 4,231.77 and 1,669.23

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Solution

The fourth proportional to 3,066.48, 4,231.77 and 1,669.23 is: 2,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.48 : 4,231.77 = 1,669.23 : x
  2. Step 2: Convert to fraction form
    3,066.48/4,231.77 = 1,669.23/x
  3. Step 3: Cross multiply
    3,066.48x = 4,231.77 × 1,669.23
  4. Step 4: Simplify right side
    3,066.48x = 7,063,797.44
  5. Step 5: Solve for x
    x = 7,063,797.44/3,066.48
  6. Step 6: Final answer
    x = 2,303.55

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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.