Home / 3,706.29-5,556.15-1,399.41

Finding the Fourth Proportional to 3,706.29, 5,556.15 and 1,399.41

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Solution

The fourth proportional to 3,706.29, 5,556.15 and 1,399.41 is: 2,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.29 : 5,556.15 = 1,399.41 : x
  2. Step 2: Convert to fraction form
    3,706.29/5,556.15 = 1,399.41/x
  3. Step 3: Cross multiply
    3,706.29x = 5,556.15 × 1,399.41
  4. Step 4: Simplify right side
    3,706.29x = 7,775,331.87
  5. Step 5: Solve for x
    x = 7,775,331.87/3,706.29
  6. Step 6: Final answer
    x = 2,097.87

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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.