Home / 3,391.36-5,087.11-2,228.77

Finding the Fourth Proportional to 3,391.36, 5,087.11 and 2,228.77

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Solution

The fourth proportional to 3,391.36, 5,087.11 and 2,228.77 is: 3,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.36 : 5,087.11 = 2,228.77 : x
  2. Step 2: Convert to fraction form
    3,391.36/5,087.11 = 2,228.77/x
  3. Step 3: Cross multiply
    3,391.36x = 5,087.11 × 2,228.77
  4. Step 4: Simplify right side
    3,391.36x = 11,338,011.66
  5. Step 5: Solve for x
    x = 11,338,011.66/3,391.36
  6. Step 6: Final answer
    x = 3,343.20

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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.