Home / 3,227.84-4,840.94-1,278.96

Finding the Fourth Proportional to 3,227.84, 4,840.94 and 1,278.96

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Solution

The fourth proportional to 3,227.84, 4,840.94 and 1,278.96 is: 1,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.84 : 4,840.94 = 1,278.96 : x
  2. Step 2: Convert to fraction form
    3,227.84/4,840.94 = 1,278.96/x
  3. Step 3: Cross multiply
    3,227.84x = 4,840.94 × 1,278.96
  4. Step 4: Simplify right side
    3,227.84x = 6,191,368.62
  5. Step 5: Solve for x
    x = 6,191,368.62/3,227.84
  6. Step 6: Final answer
    x = 1,918.12

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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.