Home / 3,830.75-5,745.40-1,365.56

Finding the Fourth Proportional to 3,830.75, 5,745.40 and 1,365.56

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Solution

The fourth proportional to 3,830.75, 5,745.40 and 1,365.56 is: 2,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.75 : 5,745.40 = 1,365.56 : x
  2. Step 2: Convert to fraction form
    3,830.75/5,745.40 = 1,365.56/x
  3. Step 3: Cross multiply
    3,830.75x = 5,745.40 × 1,365.56
  4. Step 4: Simplify right side
    3,830.75x = 7,845,688.42
  5. Step 5: Solve for x
    x = 7,845,688.42/3,830.75
  6. Step 6: Final answer
    x = 2,048.08

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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.