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Finding the Fourth Proportional to 3,950.69, 5,450.10 and 2,356.44

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Solution

The fourth proportional to 3,950.69, 5,450.10 and 2,356.44 is: 3,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.69 : 5,450.10 = 2,356.44 : x
  2. Step 2: Convert to fraction form
    3,950.69/5,450.10 = 2,356.44/x
  3. Step 3: Cross multiply
    3,950.69x = 5,450.10 × 2,356.44
  4. Step 4: Simplify right side
    3,950.69x = 12,842,848.28
  5. Step 5: Solve for x
    x = 12,842,848.28/3,950.69
  6. Step 6: Final answer
    x = 3,250.79

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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.