Home / 3,951.21-5,450.23-2,356.83

Finding the Fourth Proportional to 3,951.21, 5,450.23 and 2,356.83

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Solution

The fourth proportional to 3,951.21, 5,450.23 and 2,356.83 is: 3,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.21 : 5,450.23 = 2,356.83 : x
  2. Step 2: Convert to fraction form
    3,951.21/5,450.23 = 2,356.83/x
  3. Step 3: Cross multiply
    3,951.21x = 5,450.23 × 2,356.83
  4. Step 4: Simplify right side
    3,951.21x = 12,845,265.57
  5. Step 5: Solve for x
    x = 12,845,265.57/3,951.21
  6. Step 6: Final answer
    x = 3,250.97

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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.