Home / 3,941.56-5,908.36-2,555.78

Finding the Fourth Proportional to 3,941.56, 5,908.36 and 2,555.78

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Solution

The fourth proportional to 3,941.56, 5,908.36 and 2,555.78 is: 3,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.56 : 5,908.36 = 2,555.78 : x
  2. Step 2: Convert to fraction form
    3,941.56/5,908.36 = 2,555.78/x
  3. Step 3: Cross multiply
    3,941.56x = 5,908.36 × 2,555.78
  4. Step 4: Simplify right side
    3,941.56x = 15,100,468.32
  5. Step 5: Solve for x
    x = 15,100,468.32/3,941.56
  6. Step 6: Final answer
    x = 3,831.09

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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.