Home / 2,524.46-3,786.73-1,288.38

Finding the Fourth Proportional to 2,524.46, 3,786.73 and 1,288.38

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Solution

The fourth proportional to 2,524.46, 3,786.73 and 1,288.38 is: 1,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.46 : 3,786.73 = 1,288.38 : x
  2. Step 2: Convert to fraction form
    2,524.46/3,786.73 = 1,288.38/x
  3. Step 3: Cross multiply
    2,524.46x = 3,786.73 × 1,288.38
  4. Step 4: Simplify right side
    2,524.46x = 4,878,747.20
  5. Step 5: Solve for x
    x = 4,878,747.20/2,524.46
  6. Step 6: Final answer
    x = 1,932.59

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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.