Home / 3,706.80-5,556.57-1,855.14

Finding the Fourth Proportional to 3,706.80, 5,556.57 and 1,855.14

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Solution

The fourth proportional to 3,706.80, 5,556.57 and 1,855.14 is: 2,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.80 : 5,556.57 = 1,855.14 : x
  2. Step 2: Convert to fraction form
    3,706.80/5,556.57 = 1,855.14/x
  3. Step 3: Cross multiply
    3,706.80x = 5,556.57 × 1,855.14
  4. Step 4: Simplify right side
    3,706.80x = 10,308,215.27
  5. Step 5: Solve for x
    x = 10,308,215.27/3,706.80
  6. Step 6: Final answer
    x = 2,780.89

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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.