Home / 3,705.18-5,556.87-1,729.56

Finding the Fourth Proportional to 3,705.18, 5,556.87 and 1,729.56

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Solution

The fourth proportional to 3,705.18, 5,556.87 and 1,729.56 is: 2,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.18 : 5,556.87 = 1,729.56 : x
  2. Step 2: Convert to fraction form
    3,705.18/5,556.87 = 1,729.56/x
  3. Step 3: Cross multiply
    3,705.18x = 5,556.87 × 1,729.56
  4. Step 4: Simplify right side
    3,705.18x = 9,610,940.08
  5. Step 5: Solve for x
    x = 9,610,940.08/3,705.18
  6. Step 6: Final answer
    x = 2,593.92

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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.