Home / 3,228.28-4,845.66-2,188.36

Finding the Fourth Proportional to 3,228.28, 4,845.66 and 2,188.36

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Solution

The fourth proportional to 3,228.28, 4,845.66 and 2,188.36 is: 3,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.28 : 4,845.66 = 2,188.36 : x
  2. Step 2: Convert to fraction form
    3,228.28/4,845.66 = 2,188.36/x
  3. Step 3: Cross multiply
    3,228.28x = 4,845.66 × 2,188.36
  4. Step 4: Simplify right side
    3,228.28x = 10,604,048.52
  5. Step 5: Solve for x
    x = 10,604,048.52/3,228.28
  6. Step 6: Final answer
    x = 3,284.74

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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.