Home / 3,684.42-5,521.32-2,124.36

Finding the Fourth Proportional to 3,684.42, 5,521.32 and 2,124.36

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Solution

The fourth proportional to 3,684.42, 5,521.32 and 2,124.36 is: 3,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.42 : 5,521.32 = 2,124.36 : x
  2. Step 2: Convert to fraction form
    3,684.42/5,521.32 = 2,124.36/x
  3. Step 3: Cross multiply
    3,684.42x = 5,521.32 × 2,124.36
  4. Step 4: Simplify right side
    3,684.42x = 11,729,271.36
  5. Step 5: Solve for x
    x = 11,729,271.36/3,684.42
  6. Step 6: Final answer
    x = 3,183.48

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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.