Home / 3,871.43-5,343.01-3,633.92

Finding the Fourth Proportional to 3,871.43, 5,343.01 and 3,633.92

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Solution

The fourth proportional to 3,871.43, 5,343.01 and 3,633.92 is: 5,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.43 : 5,343.01 = 3,633.92 : x
  2. Step 2: Convert to fraction form
    3,871.43/5,343.01 = 3,633.92/x
  3. Step 3: Cross multiply
    3,871.43x = 5,343.01 × 3,633.92
  4. Step 4: Simplify right side
    3,871.43x = 19,416,044.18
  5. Step 5: Solve for x
    x = 19,416,044.18/3,871.43
  6. Step 6: Final answer
    x = 5,015.22

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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.