Home / 3,881.40-5,825.30-1,804.60

Finding the Fourth Proportional to 3,881.40, 5,825.30 and 1,804.60

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Solution

The fourth proportional to 3,881.40, 5,825.30 and 1,804.60 is: 2,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.40 : 5,825.30 = 1,804.60 : x
  2. Step 2: Convert to fraction form
    3,881.40/5,825.30 = 1,804.60/x
  3. Step 3: Cross multiply
    3,881.40x = 5,825.30 × 1,804.60
  4. Step 4: Simplify right side
    3,881.40x = 10,512,336.38
  5. Step 5: Solve for x
    x = 10,512,336.38/3,881.40
  6. Step 6: Final answer
    x = 2,708.39

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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.