Home / 1,378.07-2,063.41-1,159.37

Finding the Fourth Proportional to 1,378.07, 2,063.41 and 1,159.37

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Solution

The fourth proportional to 1,378.07, 2,063.41 and 1,159.37 is: 1,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378.07 : 2,063.41 = 1,159.37 : x
  2. Step 2: Convert to fraction form
    1,378.07/2,063.41 = 1,159.37/x
  3. Step 3: Cross multiply
    1,378.07x = 2,063.41 × 1,159.37
  4. Step 4: Simplify right side
    1,378.07x = 2,392,245.33
  5. Step 5: Solve for x
    x = 2,392,245.33/1,378.07
  6. Step 6: Final answer
    x = 1,735.95

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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.