Home / 3,822.40-5,734.26-1,357.36

Finding the Fourth Proportional to 3,822.40, 5,734.26 and 1,357.36

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Solution

The fourth proportional to 3,822.40, 5,734.26 and 1,357.36 is: 2,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.40 : 5,734.26 = 1,357.36 : x
  2. Step 2: Convert to fraction form
    3,822.40/5,734.26 = 1,357.36/x
  3. Step 3: Cross multiply
    3,822.40x = 5,734.26 × 1,357.36
  4. Step 4: Simplify right side
    3,822.40x = 7,783,455.15
  5. Step 5: Solve for x
    x = 7,783,455.15/3,822.40
  6. Step 6: Final answer
    x = 2,036.27

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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.