Home / 2,729.91-4,095-1,087.77

Finding the Fourth Proportional to 2,729.91, 4,095 and 1,087.77

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Solution

The fourth proportional to 2,729.91, 4,095 and 1,087.77 is: 1,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.91 : 4,095 = 1,087.77 : x
  2. Step 2: Convert to fraction form
    2,729.91/4,095 = 1,087.77/x
  3. Step 3: Cross multiply
    2,729.91x = 4,095 × 1,087.77
  4. Step 4: Simplify right side
    2,729.91x = 4,454,418.15
  5. Step 5: Solve for x
    x = 4,454,418.15/2,729.91
  6. Step 6: Final answer
    x = 1,631.71

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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.