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Finding the Fourth Proportional to 2,628.56, 3,946.08 and 2,408.24

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Solution

The fourth proportional to 2,628.56, 3,946.08 and 2,408.24 is: 3,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.56 : 3,946.08 = 2,408.24 : x
  2. Step 2: Convert to fraction form
    2,628.56/3,946.08 = 2,408.24/x
  3. Step 3: Cross multiply
    2,628.56x = 3,946.08 × 2,408.24
  4. Step 4: Simplify right side
    2,628.56x = 9,503,107.70
  5. Step 5: Solve for x
    x = 9,503,107.70/2,628.56
  6. Step 6: Final answer
    x = 3,615.33

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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.