Home / 2,192.43-3,289.86-2,019.90

Finding the Fourth Proportional to 2,192.43, 3,289.86 and 2,019.90

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Solution

The fourth proportional to 2,192.43, 3,289.86 and 2,019.90 is: 3,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.43 : 3,289.86 = 2,019.90 : x
  2. Step 2: Convert to fraction form
    2,192.43/3,289.86 = 2,019.90/x
  3. Step 3: Cross multiply
    2,192.43x = 3,289.86 × 2,019.90
  4. Step 4: Simplify right side
    2,192.43x = 6,645,188.21
  5. Step 5: Solve for x
    x = 6,645,188.21/2,192.43
  6. Step 6: Final answer
    x = 3,030.97

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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.