Home / 3,234.35-4,839.26-1,918.80

Finding the Fourth Proportional to 3,234.35, 4,839.26 and 1,918.80

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Solution

The fourth proportional to 3,234.35, 4,839.26 and 1,918.80 is: 2,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.35 : 4,839.26 = 1,918.80 : x
  2. Step 2: Convert to fraction form
    3,234.35/4,839.26 = 1,918.80/x
  3. Step 3: Cross multiply
    3,234.35x = 4,839.26 × 1,918.80
  4. Step 4: Simplify right side
    3,234.35x = 9,285,562.49
  5. Step 5: Solve for x
    x = 9,285,562.49/3,234.35
  6. Step 6: Final answer
    x = 2,870.93

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1.5x scale

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.