Home / 1,494.87-2,063.46-905.46

Finding the Fourth Proportional to 1,494.87, 2,063.46 and 905.46

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Solution

The fourth proportional to 1,494.87, 2,063.46 and 905.46 is: 1,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.87 : 2,063.46 = 905.46 : x
  2. Step 2: Convert to fraction form
    1,494.87/2,063.46 = 905.46/x
  3. Step 3: Cross multiply
    1,494.87x = 2,063.46 × 905.46
  4. Step 4: Simplify right side
    1,494.87x = 1,868,380.49
  5. Step 5: Solve for x
    x = 1,868,380.49/1,494.87
  6. Step 6: Final answer
    x = 1,249.86

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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.