Home / 2,784.05-4,169.41-2,031.56

Finding the Fourth Proportional to 2,784.05, 4,169.41 and 2,031.56

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Solution

The fourth proportional to 2,784.05, 4,169.41 and 2,031.56 is: 3,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.05 : 4,169.41 = 2,031.56 : x
  2. Step 2: Convert to fraction form
    2,784.05/4,169.41 = 2,031.56/x
  3. Step 3: Cross multiply
    2,784.05x = 4,169.41 × 2,031.56
  4. Step 4: Simplify right side
    2,784.05x = 8,470,396.29
  5. Step 5: Solve for x
    x = 8,470,396.29/2,784.05
  6. Step 6: Final answer
    x = 3,042.47

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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.