Home / 2,813.04-4,220.82-1,169.94

Finding the Fourth Proportional to 2,813.04, 4,220.82 and 1,169.94

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Solution

The fourth proportional to 2,813.04, 4,220.82 and 1,169.94 is: 1,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.04 : 4,220.82 = 1,169.94 : x
  2. Step 2: Convert to fraction form
    2,813.04/4,220.82 = 1,169.94/x
  3. Step 3: Cross multiply
    2,813.04x = 4,220.82 × 1,169.94
  4. Step 4: Simplify right side
    2,813.04x = 4,938,106.15
  5. Step 5: Solve for x
    x = 4,938,106.15/2,813.04
  6. Step 6: Final answer
    x = 1,755.43

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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.