Home / 2,090.82-3,135.24-629.58

Finding the Fourth Proportional to 2,090.82, 3,135.24 and 629.58

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Solution

The fourth proportional to 2,090.82, 3,135.24 and 629.58 is: 944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.82 : 3,135.24 = 629.58 : x
  2. Step 2: Convert to fraction form
    2,090.82/3,135.24 = 629.58/x
  3. Step 3: Cross multiply
    2,090.82x = 3,135.24 × 629.58
  4. Step 4: Simplify right side
    2,090.82x = 1,973,884.40
  5. Step 5: Solve for x
    x = 1,973,884.40/2,090.82
  6. Step 6: Final answer
    x = 944.07

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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.