Home / 3,455.09-5,168.74-2,669.14

Finding the Fourth Proportional to 3,455.09, 5,168.74 and 2,669.14

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Solution

The fourth proportional to 3,455.09, 5,168.74 and 2,669.14 is: 3,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.09 : 5,168.74 = 2,669.14 : x
  2. Step 2: Convert to fraction form
    3,455.09/5,168.74 = 2,669.14/x
  3. Step 3: Cross multiply
    3,455.09x = 5,168.74 × 2,669.14
  4. Step 4: Simplify right side
    3,455.09x = 13,796,090.68
  5. Step 5: Solve for x
    x = 13,796,090.68/3,455.09
  6. Step 6: Final answer
    x = 3,992.98

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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.