Home / 3,822.46-5,734.56-1,357.28

Finding the Fourth Proportional to 3,822.46, 5,734.56 and 1,357.28

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Solution

The fourth proportional to 3,822.46, 5,734.56 and 1,357.28 is: 2,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.46 : 5,734.56 = 1,357.28 : x
  2. Step 2: Convert to fraction form
    3,822.46/5,734.56 = 1,357.28/x
  3. Step 3: Cross multiply
    3,822.46x = 5,734.56 × 1,357.28
  4. Step 4: Simplify right side
    3,822.46x = 7,783,426.14
  5. Step 5: Solve for x
    x = 7,783,426.14/3,822.46
  6. Step 6: Final answer
    x = 2,036.23

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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.