Home / 3,871.96-5,343.33-2,103.64

Finding the Fourth Proportional to 3,871.96, 5,343.33 and 2,103.64

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Solution

The fourth proportional to 3,871.96, 5,343.33 and 2,103.64 is: 2,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.96 : 5,343.33 = 2,103.64 : x
  2. Step 2: Convert to fraction form
    3,871.96/5,343.33 = 2,103.64/x
  3. Step 3: Cross multiply
    3,871.96x = 5,343.33 × 2,103.64
  4. Step 4: Simplify right side
    3,871.96x = 11,240,442.72
  5. Step 5: Solve for x
    x = 11,240,442.72/3,871.96
  6. Step 6: Final answer
    x = 2,903.04

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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.