Home / 3,808.72-5,706.55-2,556.97

Finding the Fourth Proportional to 3,808.72, 5,706.55 and 2,556.97

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Solution

The fourth proportional to 3,808.72, 5,706.55 and 2,556.97 is: 3,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.72 : 5,706.55 = 2,556.97 : x
  2. Step 2: Convert to fraction form
    3,808.72/5,706.55 = 2,556.97/x
  3. Step 3: Cross multiply
    3,808.72x = 5,706.55 × 2,556.97
  4. Step 4: Simplify right side
    3,808.72x = 14,591,477.15
  5. Step 5: Solve for x
    x = 14,591,477.15/3,808.72
  6. Step 6: Final answer
    x = 3,831.07

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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.