Home / 3,066.14-4,231.19-1,668.86

Finding the Fourth Proportional to 3,066.14, 4,231.19 and 1,668.86

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Solution

The fourth proportional to 3,066.14, 4,231.19 and 1,668.86 is: 2,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.14 : 4,231.19 = 1,668.86 : x
  2. Step 2: Convert to fraction form
    3,066.14/4,231.19 = 1,668.86/x
  3. Step 3: Cross multiply
    3,066.14x = 4,231.19 × 1,668.86
  4. Step 4: Simplify right side
    3,066.14x = 7,061,263.74
  5. Step 5: Solve for x
    x = 7,061,263.74/3,066.14
  6. Step 6: Final answer
    x = 2,302.98

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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.