Home / 3,222.24-4,838.40-2,738.40

Finding the Fourth Proportional to 3,222.24, 4,838.40 and 2,738.40

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Solution

The fourth proportional to 3,222.24, 4,838.40 and 2,738.40 is: 4,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.24 : 4,838.40 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    3,222.24/4,838.40 = 2,738.40/x
  3. Step 3: Cross multiply
    3,222.24x = 4,838.40 × 2,738.40
  4. Step 4: Simplify right side
    3,222.24x = 13,249,474.56
  5. Step 5: Solve for x
    x = 13,249,474.56/3,222.24
  6. Step 6: Final answer
    x = 4,111.88

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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.