Home / 2,853.94-4,280.82-1,209.43

Finding the Fourth Proportional to 2,853.94, 4,280.82 and 1,209.43

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Solution

The fourth proportional to 2,853.94, 4,280.82 and 1,209.43 is: 1,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.94 : 4,280.82 = 1,209.43 : x
  2. Step 2: Convert to fraction form
    2,853.94/4,280.82 = 1,209.43/x
  3. Step 3: Cross multiply
    2,853.94x = 4,280.82 × 1,209.43
  4. Step 4: Simplify right side
    2,853.94x = 5,177,352.13
  5. Step 5: Solve for x
    x = 5,177,352.13/2,853.94
  6. Step 6: Final answer
    x = 1,814.11

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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.