Home / 3,208.29-4,428.48-1,881.96

Finding the Fourth Proportional to 3,208.29, 4,428.48 and 1,881.96

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Solution

The fourth proportional to 3,208.29, 4,428.48 and 1,881.96 is: 2,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.29 : 4,428.48 = 1,881.96 : x
  2. Step 2: Convert to fraction form
    3,208.29/4,428.48 = 1,881.96/x
  3. Step 3: Cross multiply
    3,208.29x = 4,428.48 × 1,881.96
  4. Step 4: Simplify right side
    3,208.29x = 8,334,222.22
  5. Step 5: Solve for x
    x = 8,334,222.22/3,208.29
  6. Step 6: Final answer
    x = 2,597.71

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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.