Home / 3,951.25-5,452.80-2,556.43

Finding the Fourth Proportional to 3,951.25, 5,452.80 and 2,556.43

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Solution

The fourth proportional to 3,951.25, 5,452.80 and 2,556.43 is: 3,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.25 : 5,452.80 = 2,556.43 : x
  2. Step 2: Convert to fraction form
    3,951.25/5,452.80 = 2,556.43/x
  3. Step 3: Cross multiply
    3,951.25x = 5,452.80 × 2,556.43
  4. Step 4: Simplify right side
    3,951.25x = 13,939,701.50
  5. Step 5: Solve for x
    x = 13,939,701.50/3,951.25
  6. Step 6: Final answer
    x = 3,527.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.