Home / 3,811.80-5,703.75-2,252.55

Finding the Fourth Proportional to 3,811.80, 5,703.75 and 2,252.55

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Solution

The fourth proportional to 3,811.80, 5,703.75 and 2,252.55 is: 3,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.80 : 5,703.75 = 2,252.55 : x
  2. Step 2: Convert to fraction form
    3,811.80/5,703.75 = 2,252.55/x
  3. Step 3: Cross multiply
    3,811.80x = 5,703.75 × 2,252.55
  4. Step 4: Simplify right side
    3,811.80x = 12,847,982.06
  5. Step 5: Solve for x
    x = 12,847,982.06/3,811.80
  6. Step 6: Final answer
    x = 3,370.58

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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.