Home / 3,766.23-5,647.80-1,425.87

Finding the Fourth Proportional to 3,766.23, 5,647.80 and 1,425.87

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Solution

The fourth proportional to 3,766.23, 5,647.80 and 1,425.87 is: 2,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.23 : 5,647.80 = 1,425.87 : x
  2. Step 2: Convert to fraction form
    3,766.23/5,647.80 = 1,425.87/x
  3. Step 3: Cross multiply
    3,766.23x = 5,647.80 × 1,425.87
  4. Step 4: Simplify right side
    3,766.23x = 8,053,028.59
  5. Step 5: Solve for x
    x = 8,053,028.59/3,766.23
  6. Step 6: Final answer
    x = 2,138.22

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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.