Home / 4,081.88-6,121-1,159.50

Finding the Fourth Proportional to 4,081.88, 6,121 and 1,159.50

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Solution

The fourth proportional to 4,081.88, 6,121 and 1,159.50 is: 1,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.88 : 6,121 = 1,159.50 : x
  2. Step 2: Convert to fraction form
    4,081.88/6,121 = 1,159.50/x
  3. Step 3: Cross multiply
    4,081.88x = 6,121 × 1,159.50
  4. Step 4: Simplify right side
    4,081.88x = 7,097,299.50
  5. Step 5: Solve for x
    x = 7,097,299.50/4,081.88
  6. Step 6: Final answer
    x = 1,738.73

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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.