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Finding the Fourth Proportional to 2,489.69, 3,435.87 and 1,495.41

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Solution

The fourth proportional to 2,489.69, 3,435.87 and 1,495.41 is: 2,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.69 : 3,435.87 = 1,495.41 : x
  2. Step 2: Convert to fraction form
    2,489.69/3,435.87 = 1,495.41/x
  3. Step 3: Cross multiply
    2,489.69x = 3,435.87 × 1,495.41
  4. Step 4: Simplify right side
    2,489.69x = 5,138,034.36
  5. Step 5: Solve for x
    x = 5,138,034.36/2,489.69
  6. Step 6: Final answer
    x = 2,063.73

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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.