Home / 3,022.43-4,528-1,909.45

Finding the Fourth Proportional to 3,022.43, 4,528 and 1,909.45

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Solution

The fourth proportional to 3,022.43, 4,528 and 1,909.45 is: 2,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.43 : 4,528 = 1,909.45 : x
  2. Step 2: Convert to fraction form
    3,022.43/4,528 = 1,909.45/x
  3. Step 3: Cross multiply
    3,022.43x = 4,528 × 1,909.45
  4. Step 4: Simplify right side
    3,022.43x = 8,645,989.60
  5. Step 5: Solve for x
    x = 8,645,989.60/3,022.43
  6. Step 6: Final answer
    x = 2,860.61

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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.