Home / 3,261.79-4,892.94-1,616.68

Finding the Fourth Proportional to 3,261.79, 4,892.94 and 1,616.68

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Solution

The fourth proportional to 3,261.79, 4,892.94 and 1,616.68 is: 2,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.79 : 4,892.94 = 1,616.68 : x
  2. Step 2: Convert to fraction form
    3,261.79/4,892.94 = 1,616.68/x
  3. Step 3: Cross multiply
    3,261.79x = 4,892.94 × 1,616.68
  4. Step 4: Simplify right side
    3,261.79x = 7,910,324.36
  5. Step 5: Solve for x
    x = 7,910,324.36/3,261.79
  6. Step 6: Final answer
    x = 2,425.15

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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.