Home / 3,394.48-5,090.64-1,085.44

Finding the Fourth Proportional to 3,394.48, 5,090.64 and 1,085.44

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Solution

The fourth proportional to 3,394.48, 5,090.64 and 1,085.44 is: 1,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.48 : 5,090.64 = 1,085.44 : x
  2. Step 2: Convert to fraction form
    3,394.48/5,090.64 = 1,085.44/x
  3. Step 3: Cross multiply
    3,394.48x = 5,090.64 × 1,085.44
  4. Step 4: Simplify right side
    3,394.48x = 5,525,567.48
  5. Step 5: Solve for x
    x = 5,525,567.48/3,394.48
  6. Step 6: Final answer
    x = 1,627.81

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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.