Home / 2,729.58-4,087.07-1,631.22

Finding the Fourth Proportional to 2,729.58, 4,087.07 and 1,631.22

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Solution

The fourth proportional to 2,729.58, 4,087.07 and 1,631.22 is: 2,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.58 : 4,087.07 = 1,631.22 : x
  2. Step 2: Convert to fraction form
    2,729.58/4,087.07 = 1,631.22/x
  3. Step 3: Cross multiply
    2,729.58x = 4,087.07 × 1,631.22
  4. Step 4: Simplify right side
    2,729.58x = 6,666,910.33
  5. Step 5: Solve for x
    x = 6,666,910.33/2,729.58
  6. Step 6: Final answer
    x = 2,442.47

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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.