Home / 3,378.28-5,055.07-2,057.22

Finding the Fourth Proportional to 3,378.28, 5,055.07 and 2,057.22

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Solution

The fourth proportional to 3,378.28, 5,055.07 and 2,057.22 is: 3,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.28 : 5,055.07 = 2,057.22 : x
  2. Step 2: Convert to fraction form
    3,378.28/5,055.07 = 2,057.22/x
  3. Step 3: Cross multiply
    3,378.28x = 5,055.07 × 2,057.22
  4. Step 4: Simplify right side
    3,378.28x = 10,399,391.11
  5. Step 5: Solve for x
    x = 10,399,391.11/3,378.28
  6. Step 6: Final answer
    x = 3,078.31

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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.