Home / 3,170.31-4,755.78-1,090.48

Finding the Fourth Proportional to 3,170.31, 4,755.78 and 1,090.48

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Solution

The fourth proportional to 3,170.31, 4,755.78 and 1,090.48 is: 1,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.31 : 4,755.78 = 1,090.48 : x
  2. Step 2: Convert to fraction form
    3,170.31/4,755.78 = 1,090.48/x
  3. Step 3: Cross multiply
    3,170.31x = 4,755.78 × 1,090.48
  4. Step 4: Simplify right side
    3,170.31x = 5,186,080.00
  5. Step 5: Solve for x
    x = 5,186,080.00/3,170.31
  6. Step 6: Final answer
    x = 1,635.83

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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.