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Finding the Fourth Proportional to 2,550.48, 3,826.50 and 906.63

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Solution

The fourth proportional to 2,550.48, 3,826.50 and 906.63 is: 1,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.48 : 3,826.50 = 906.63 : x
  2. Step 2: Convert to fraction form
    2,550.48/3,826.50 = 906.63/x
  3. Step 3: Cross multiply
    2,550.48x = 3,826.50 × 906.63
  4. Step 4: Simplify right side
    2,550.48x = 3,469,219.70
  5. Step 5: Solve for x
    x = 3,469,219.70/2,550.48
  6. Step 6: Final answer
    x = 1,360.22

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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.