Home / 4,081.77-6,121.67-1,888.41

Finding the Fourth Proportional to 4,081.77, 6,121.67 and 1,888.41

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Solution

The fourth proportional to 4,081.77, 6,121.67 and 1,888.41 is: 2,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.77 : 6,121.67 = 1,888.41 : x
  2. Step 2: Convert to fraction form
    4,081.77/6,121.67 = 1,888.41/x
  3. Step 3: Cross multiply
    4,081.77x = 6,121.67 × 1,888.41
  4. Step 4: Simplify right side
    4,081.77x = 11,560,213.40
  5. Step 5: Solve for x
    x = 11,560,213.40/4,081.77
  6. Step 6: Final answer
    x = 2,832.16

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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.