Home / 3,225-4,839.63-1,765.18

Finding the Fourth Proportional to 3,225, 4,839.63 and 1,765.18

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Solution

The fourth proportional to 3,225, 4,839.63 and 1,765.18 is: 2,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225 : 4,839.63 = 1,765.18 : x
  2. Step 2: Convert to fraction form
    3,225/4,839.63 = 1,765.18/x
  3. Step 3: Cross multiply
    3,225x = 4,839.63 × 1,765.18
  4. Step 4: Simplify right side
    3,225x = 8,542,818.08
  5. Step 5: Solve for x
    x = 8,542,818.08/3,225
  6. Step 6: Final answer
    x = 2,648.94

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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.