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Finding the Fourth Proportional to 2,644.49, 3,968.36 and 1,550.99

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Solution

The fourth proportional to 2,644.49, 3,968.36 and 1,550.99 is: 2,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.49 : 3,968.36 = 1,550.99 : x
  2. Step 2: Convert to fraction form
    2,644.49/3,968.36 = 1,550.99/x
  3. Step 3: Cross multiply
    2,644.49x = 3,968.36 × 1,550.99
  4. Step 4: Simplify right side
    2,644.49x = 6,154,859.08
  5. Step 5: Solve for x
    x = 6,154,859.08/2,644.49
  6. Step 6: Final answer
    x = 2,327.43

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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.