Home / 2,288.42-3,432.24-827.36

Finding the Fourth Proportional to 2,288.42, 3,432.24 and 827.36

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Solution

The fourth proportional to 2,288.42, 3,432.24 and 827.36 is: 1,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.42 : 3,432.24 = 827.36 : x
  2. Step 2: Convert to fraction form
    2,288.42/3,432.24 = 827.36/x
  3. Step 3: Cross multiply
    2,288.42x = 3,432.24 × 827.36
  4. Step 4: Simplify right side
    2,288.42x = 2,839,698.09
  5. Step 5: Solve for x
    x = 2,839,698.09/2,288.42
  6. Step 6: Final answer
    x = 1,240.90

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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.