Home / 2,794.34-3,859.26-2,172.44

Finding the Fourth Proportional to 2,794.34, 3,859.26 and 2,172.44

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Solution

The fourth proportional to 2,794.34, 3,859.26 and 2,172.44 is: 3,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.34 : 3,859.26 = 2,172.44 : x
  2. Step 2: Convert to fraction form
    2,794.34/3,859.26 = 2,172.44/x
  3. Step 3: Cross multiply
    2,794.34x = 3,859.26 × 2,172.44
  4. Step 4: Simplify right side
    2,794.34x = 8,384,010.79
  5. Step 5: Solve for x
    x = 8,384,010.79/2,794.34
  6. Step 6: Final answer
    x = 3,000.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.