Home / 3,076.08-4,244.96-1,678.84

Finding the Fourth Proportional to 3,076.08, 4,244.96 and 1,678.84

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Solution

The fourth proportional to 3,076.08, 4,244.96 and 1,678.84 is: 2,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.08 : 4,244.96 = 1,678.84 : x
  2. Step 2: Convert to fraction form
    3,076.08/4,244.96 = 1,678.84/x
  3. Step 3: Cross multiply
    3,076.08x = 4,244.96 × 1,678.84
  4. Step 4: Simplify right side
    3,076.08x = 7,126,608.65
  5. Step 5: Solve for x
    x = 7,126,608.65/3,076.08
  6. Step 6: Final answer
    x = 2,316.78

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