Home / 3,203.40-4,805.10-2,320.50

Finding the Fourth Proportional to 3,203.40, 4,805.10 and 2,320.50

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Solution

The fourth proportional to 3,203.40, 4,805.10 and 2,320.50 is: 3,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.40 : 4,805.10 = 2,320.50 : x
  2. Step 2: Convert to fraction form
    3,203.40/4,805.10 = 2,320.50/x
  3. Step 3: Cross multiply
    3,203.40x = 4,805.10 × 2,320.50
  4. Step 4: Simplify right side
    3,203.40x = 11,150,234.55
  5. Step 5: Solve for x
    x = 11,150,234.55/3,203.40
  6. Step 6: Final answer
    x = 3,480.75

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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.