Home / 2,489.43-3,435.94-1,427.37

Finding the Fourth Proportional to 2,489.43, 3,435.94 and 1,427.37

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Solution

The fourth proportional to 2,489.43, 3,435.94 and 1,427.37 is: 1,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.43 : 3,435.94 = 1,427.37 : x
  2. Step 2: Convert to fraction form
    2,489.43/3,435.94 = 1,427.37/x
  3. Step 3: Cross multiply
    2,489.43x = 3,435.94 × 1,427.37
  4. Step 4: Simplify right side
    2,489.43x = 4,904,357.68
  5. Step 5: Solve for x
    x = 4,904,357.68/2,489.43
  6. Step 6: Final answer
    x = 1,970.07

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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.