Home / 3,953.34-5,455.94-2,185.29

Finding the Fourth Proportional to 3,953.34, 5,455.94 and 2,185.29

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Solution

The fourth proportional to 3,953.34, 5,455.94 and 2,185.29 is: 3,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.34 : 5,455.94 = 2,185.29 : x
  2. Step 2: Convert to fraction form
    3,953.34/5,455.94 = 2,185.29/x
  3. Step 3: Cross multiply
    3,953.34x = 5,455.94 × 2,185.29
  4. Step 4: Simplify right side
    3,953.34x = 11,922,800.20
  5. Step 5: Solve for x
    x = 11,922,800.20/3,953.34
  6. Step 6: Final answer
    x = 3,015.88

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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.