Home / 2,989.43-4,479.39-2,525.03

Finding the Fourth Proportional to 2,989.43, 4,479.39 and 2,525.03

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Solution

The fourth proportional to 2,989.43, 4,479.39 and 2,525.03 is: 3,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.43 : 4,479.39 = 2,525.03 : x
  2. Step 2: Convert to fraction form
    2,989.43/4,479.39 = 2,525.03/x
  3. Step 3: Cross multiply
    2,989.43x = 4,479.39 × 2,525.03
  4. Step 4: Simplify right side
    2,989.43x = 11,310,571.73
  5. Step 5: Solve for x
    x = 11,310,571.73/2,989.43
  6. Step 6: Final answer
    x = 3,783.53

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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.