Home / 2,638.26-3,956.67-1,337.94

Finding the Fourth Proportional to 2,638.26, 3,956.67 and 1,337.94

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Solution

The fourth proportional to 2,638.26, 3,956.67 and 1,337.94 is: 2,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.26 : 3,956.67 = 1,337.94 : x
  2. Step 2: Convert to fraction form
    2,638.26/3,956.67 = 1,337.94/x
  3. Step 3: Cross multiply
    2,638.26x = 3,956.67 × 1,337.94
  4. Step 4: Simplify right side
    2,638.26x = 5,293,787.06
  5. Step 5: Solve for x
    x = 5,293,787.06/2,638.26
  6. Step 6: Final answer
    x = 2,006.54

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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.