Home / 3,838.16-5,744.28-2,378.54

Finding the Fourth Proportional to 3,838.16, 5,744.28 and 2,378.54

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Solution

The fourth proportional to 3,838.16, 5,744.28 and 2,378.54 is: 3,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.16 : 5,744.28 = 2,378.54 : x
  2. Step 2: Convert to fraction form
    3,838.16/5,744.28 = 2,378.54/x
  3. Step 3: Cross multiply
    3,838.16x = 5,744.28 × 2,378.54
  4. Step 4: Simplify right side
    3,838.16x = 13,662,999.75
  5. Step 5: Solve for x
    x = 13,662,999.75/3,838.16
  6. Step 6: Final answer
    x = 3,559.78

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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.