Home / 3,308.88-4,563.60-2,813.16

Finding the Fourth Proportional to 3,308.88, 4,563.60 and 2,813.16

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Solution

The fourth proportional to 3,308.88, 4,563.60 and 2,813.16 is: 3,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.88 : 4,563.60 = 2,813.16 : x
  2. Step 2: Convert to fraction form
    3,308.88/4,563.60 = 2,813.16/x
  3. Step 3: Cross multiply
    3,308.88x = 4,563.60 × 2,813.16
  4. Step 4: Simplify right side
    3,308.88x = 12,838,136.98
  5. Step 5: Solve for x
    x = 12,838,136.98/3,308.88
  6. Step 6: Final answer
    x = 3,879.90

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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.