Home / 3,827.81-5,743.09-1,881.38

Finding the Fourth Proportional to 3,827.81, 5,743.09 and 1,881.38

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Solution

The fourth proportional to 3,827.81, 5,743.09 and 1,881.38 is: 2,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.81 : 5,743.09 = 1,881.38 : x
  2. Step 2: Convert to fraction form
    3,827.81/5,743.09 = 1,881.38/x
  3. Step 3: Cross multiply
    3,827.81x = 5,743.09 × 1,881.38
  4. Step 4: Simplify right side
    3,827.81x = 10,804,940.79
  5. Step 5: Solve for x
    x = 10,804,940.79/3,827.81
  6. Step 6: Final answer
    x = 2,822.75

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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.