Home / 3,428.39-5,141.51-1,236.83

Finding the Fourth Proportional to 3,428.39, 5,141.51 and 1,236.83

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Solution

The fourth proportional to 3,428.39, 5,141.51 and 1,236.83 is: 1,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.39 : 5,141.51 = 1,236.83 : x
  2. Step 2: Convert to fraction form
    3,428.39/5,141.51 = 1,236.83/x
  3. Step 3: Cross multiply
    3,428.39x = 5,141.51 × 1,236.83
  4. Step 4: Simplify right side
    3,428.39x = 6,359,165.60
  5. Step 5: Solve for x
    x = 6,359,165.60/3,428.39
  6. Step 6: Final answer
    x = 1,854.86

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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.