Home / 3,021.92-4,533.60-1,636.64

Finding the Fourth Proportional to 3,021.92, 4,533.60 and 1,636.64

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Solution

The fourth proportional to 3,021.92, 4,533.60 and 1,636.64 is: 2,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.92 : 4,533.60 = 1,636.64 : x
  2. Step 2: Convert to fraction form
    3,021.92/4,533.60 = 1,636.64/x
  3. Step 3: Cross multiply
    3,021.92x = 4,533.60 × 1,636.64
  4. Step 4: Simplify right side
    3,021.92x = 7,419,871.10
  5. Step 5: Solve for x
    x = 7,419,871.10/3,021.92
  6. Step 6: Final answer
    x = 2,455.35

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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.