Home / 2,636.04-3,956.48-1,338.44

Finding the Fourth Proportional to 2,636.04, 3,956.48 and 1,338.44

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Solution

The fourth proportional to 2,636.04, 3,956.48 and 1,338.44 is: 2,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.04 : 3,956.48 = 1,338.44 : x
  2. Step 2: Convert to fraction form
    2,636.04/3,956.48 = 1,338.44/x
  3. Step 3: Cross multiply
    2,636.04x = 3,956.48 × 1,338.44
  4. Step 4: Simplify right side
    2,636.04x = 5,295,511.09
  5. Step 5: Solve for x
    x = 5,295,511.09/2,636.04
  6. Step 6: Final answer
    x = 2,008.89

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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.