Home / 3,954.08-5,455.80-3,009.68

Finding the Fourth Proportional to 3,954.08, 5,455.80 and 3,009.68

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Solution

The fourth proportional to 3,954.08, 5,455.80 and 3,009.68 is: 4,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.08 : 5,455.80 = 3,009.68 : x
  2. Step 2: Convert to fraction form
    3,954.08/5,455.80 = 3,009.68/x
  3. Step 3: Cross multiply
    3,954.08x = 5,455.80 × 3,009.68
  4. Step 4: Simplify right side
    3,954.08x = 16,420,212.14
  5. Step 5: Solve for x
    x = 16,420,212.14/3,954.08
  6. Step 6: Final answer
    x = 4,152.73

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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.