Home / 3,731.09-5,596.78-1,391.69

Finding the Fourth Proportional to 3,731.09, 5,596.78 and 1,391.69

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Solution

The fourth proportional to 3,731.09, 5,596.78 and 1,391.69 is: 2,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.09 : 5,596.78 = 1,391.69 : x
  2. Step 2: Convert to fraction form
    3,731.09/5,596.78 = 1,391.69/x
  3. Step 3: Cross multiply
    3,731.09x = 5,596.78 × 1,391.69
  4. Step 4: Simplify right side
    3,731.09x = 7,788,982.76
  5. Step 5: Solve for x
    x = 7,788,982.76/3,731.09
  6. Step 6: Final answer
    x = 2,087.59

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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.