Home / 3,755.30-5,177.60-2,408.54

Finding the Fourth Proportional to 3,755.30, 5,177.60 and 2,408.54

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Solution

The fourth proportional to 3,755.30, 5,177.60 and 2,408.54 is: 3,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.30 : 5,177.60 = 2,408.54 : x
  2. Step 2: Convert to fraction form
    3,755.30/5,177.60 = 2,408.54/x
  3. Step 3: Cross multiply
    3,755.30x = 5,177.60 × 2,408.54
  4. Step 4: Simplify right side
    3,755.30x = 12,470,441.35
  5. Step 5: Solve for x
    x = 12,470,441.35/3,755.30
  6. Step 6: Final answer
    x = 3,320.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.