Home / 3,387.09-5,081.40-1,195.84

Finding the Fourth Proportional to 3,387.09, 5,081.40 and 1,195.84

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Solution

The fourth proportional to 3,387.09, 5,081.40 and 1,195.84 is: 1,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.09 : 5,081.40 = 1,195.84 : x
  2. Step 2: Convert to fraction form
    3,387.09/5,081.40 = 1,195.84/x
  3. Step 3: Cross multiply
    3,387.09x = 5,081.40 × 1,195.84
  4. Step 4: Simplify right side
    3,387.09x = 6,076,541.38
  5. Step 5: Solve for x
    x = 6,076,541.38/3,387.09
  6. Step 6: Final answer
    x = 1,794.03

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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.