Home / 2,243.61-3,370.91-2,119.28

Finding the Fourth Proportional to 2,243.61, 3,370.91 and 2,119.28

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Solution

The fourth proportional to 2,243.61, 3,370.91 and 2,119.28 is: 3,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.61 : 3,370.91 = 2,119.28 : x
  2. Step 2: Convert to fraction form
    2,243.61/3,370.91 = 2,119.28/x
  3. Step 3: Cross multiply
    2,243.61x = 3,370.91 × 2,119.28
  4. Step 4: Simplify right side
    2,243.61x = 7,143,874.69
  5. Step 5: Solve for x
    x = 7,143,874.69/2,243.61
  6. Step 6: Final answer
    x = 3,184.10

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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.