Home / 2,768.90-3,812.33-2,348.37

Finding the Fourth Proportional to 2,768.90, 3,812.33 and 2,348.37

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Solution

The fourth proportional to 2,768.90, 3,812.33 and 2,348.37 is: 3,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.90 : 3,812.33 = 2,348.37 : x
  2. Step 2: Convert to fraction form
    2,768.90/3,812.33 = 2,348.37/x
  3. Step 3: Cross multiply
    2,768.90x = 3,812.33 × 2,348.37
  4. Step 4: Simplify right side
    2,768.90x = 8,952,767.27
  5. Step 5: Solve for x
    x = 8,952,767.27/2,768.90
  6. Step 6: Final answer
    x = 3,233.34

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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.