Home / 3,211.70-4,818.39-1,362.89

Finding the Fourth Proportional to 3,211.70, 4,818.39 and 1,362.89

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Solution

The fourth proportional to 3,211.70, 4,818.39 and 1,362.89 is: 2,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.70 : 4,818.39 = 1,362.89 : x
  2. Step 2: Convert to fraction form
    3,211.70/4,818.39 = 1,362.89/x
  3. Step 3: Cross multiply
    3,211.70x = 4,818.39 × 1,362.89
  4. Step 4: Simplify right side
    3,211.70x = 6,566,920.09
  5. Step 5: Solve for x
    x = 6,566,920.09/3,211.70
  6. Step 6: Final answer
    x = 2,044.69

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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.