Home / 2,523.85-3,786.59-768.92

Finding the Fourth Proportional to 2,523.85, 3,786.59 and 768.92

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Solution

The fourth proportional to 2,523.85, 3,786.59 and 768.92 is: 1,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.85 : 3,786.59 = 768.92 : x
  2. Step 2: Convert to fraction form
    2,523.85/3,786.59 = 768.92/x
  3. Step 3: Cross multiply
    2,523.85x = 3,786.59 × 768.92
  4. Step 4: Simplify right side
    2,523.85x = 2,911,584.78
  5. Step 5: Solve for x
    x = 2,911,584.78/2,523.85
  6. Step 6: Final answer
    x = 1,153.63

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1.5x scale

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.