Home / 3,228.12-4,455.81-1,884.15

Finding the Fourth Proportional to 3,228.12, 4,455.81 and 1,884.15

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Solution

The fourth proportional to 3,228.12, 4,455.81 and 1,884.15 is: 2,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.12 : 4,455.81 = 1,884.15 : x
  2. Step 2: Convert to fraction form
    3,228.12/4,455.81 = 1,884.15/x
  3. Step 3: Cross multiply
    3,228.12x = 4,455.81 × 1,884.15
  4. Step 4: Simplify right side
    3,228.12x = 8,395,414.41
  5. Step 5: Solve for x
    x = 8,395,414.41/3,228.12
  6. Step 6: Final answer
    x = 2,600.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.