Home / 3,170.51-4,754.54-1,090.12

Finding the Fourth Proportional to 3,170.51, 4,754.54 and 1,090.12

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Solution

The fourth proportional to 3,170.51, 4,754.54 and 1,090.12 is: 1,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.51 : 4,754.54 = 1,090.12 : x
  2. Step 2: Convert to fraction form
    3,170.51/4,754.54 = 1,090.12/x
  3. Step 3: Cross multiply
    3,170.51x = 4,754.54 × 1,090.12
  4. Step 4: Simplify right side
    3,170.51x = 5,183,019.14
  5. Step 5: Solve for x
    x = 5,183,019.14/3,170.51
  6. Step 6: Final answer
    x = 1,634.76

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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.