Home / 3,305.90-4,949.12-2,868.50

Finding the Fourth Proportional to 3,305.90, 4,949.12 and 2,868.50

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Solution

The fourth proportional to 3,305.90, 4,949.12 and 2,868.50 is: 4,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.90 : 4,949.12 = 2,868.50 : x
  2. Step 2: Convert to fraction form
    3,305.90/4,949.12 = 2,868.50/x
  3. Step 3: Cross multiply
    3,305.90x = 4,949.12 × 2,868.50
  4. Step 4: Simplify right side
    3,305.90x = 14,196,550.72
  5. Step 5: Solve for x
    x = 14,196,550.72/3,305.90
  6. Step 6: Final answer
    x = 4,294.31

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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.