Home / 3,383.22-5,072.51-1,628.15

Finding the Fourth Proportional to 3,383.22, 5,072.51 and 1,628.15

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Solution

The fourth proportional to 3,383.22, 5,072.51 and 1,628.15 is: 2,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.22 : 5,072.51 = 1,628.15 : x
  2. Step 2: Convert to fraction form
    3,383.22/5,072.51 = 1,628.15/x
  3. Step 3: Cross multiply
    3,383.22x = 5,072.51 × 1,628.15
  4. Step 4: Simplify right side
    3,383.22x = 8,258,807.16
  5. Step 5: Solve for x
    x = 8,258,807.16/3,383.22
  6. Step 6: Final answer
    x = 2,441.11

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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.