Home / 2,773.12-4,160.91-1,214.29

Finding the Fourth Proportional to 2,773.12, 4,160.91 and 1,214.29

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Solution

The fourth proportional to 2,773.12, 4,160.91 and 1,214.29 is: 1,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.12 : 4,160.91 = 1,214.29 : x
  2. Step 2: Convert to fraction form
    2,773.12/4,160.91 = 1,214.29/x
  3. Step 3: Cross multiply
    2,773.12x = 4,160.91 × 1,214.29
  4. Step 4: Simplify right side
    2,773.12x = 5,052,551.40
  5. Step 5: Solve for x
    x = 5,052,551.40/2,773.12
  6. Step 6: Final answer
    x = 1,821.97

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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.