Home / 3,705.50-5,556.63-1,107.83

Finding the Fourth Proportional to 3,705.50, 5,556.63 and 1,107.83

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Solution

The fourth proportional to 3,705.50, 5,556.63 and 1,107.83 is: 1,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.50 : 5,556.63 = 1,107.83 : x
  2. Step 2: Convert to fraction form
    3,705.50/5,556.63 = 1,107.83/x
  3. Step 3: Cross multiply
    3,705.50x = 5,556.63 × 1,107.83
  4. Step 4: Simplify right side
    3,705.50x = 6,155,790.31
  5. Step 5: Solve for x
    x = 6,155,790.31/3,705.50
  6. Step 6: Final answer
    x = 1,661.26

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1.5x scale

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.