Home / 3,904.31-5,852.99-1,438.54

Finding the Fourth Proportional to 3,904.31, 5,852.99 and 1,438.54

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Solution

The fourth proportional to 3,904.31, 5,852.99 and 1,438.54 is: 2,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.31 : 5,852.99 = 1,438.54 : x
  2. Step 2: Convert to fraction form
    3,904.31/5,852.99 = 1,438.54/x
  3. Step 3: Cross multiply
    3,904.31x = 5,852.99 × 1,438.54
  4. Step 4: Simplify right side
    3,904.31x = 8,419,749.20
  5. Step 5: Solve for x
    x = 8,419,749.20/3,904.31
  6. Step 6: Final answer
    x = 2,156.53

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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.