Home / 2,550.40-3,823.68-1,252.96

Finding the Fourth Proportional to 2,550.40, 3,823.68 and 1,252.96

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Solution

The fourth proportional to 2,550.40, 3,823.68 and 1,252.96 is: 1,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.40 : 3,823.68 = 1,252.96 : x
  2. Step 2: Convert to fraction form
    2,550.40/3,823.68 = 1,252.96/x
  3. Step 3: Cross multiply
    2,550.40x = 3,823.68 × 1,252.96
  4. Step 4: Simplify right side
    2,550.40x = 4,790,918.09
  5. Step 5: Solve for x
    x = 4,790,918.09/2,550.40
  6. Step 6: Final answer
    x = 1,878.50

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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.