Home / 1,827.10-2,736.60-1,414.90

Finding the Fourth Proportional to 1,827.10, 2,736.60 and 1,414.90

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Solution

The fourth proportional to 1,827.10, 2,736.60 and 1,414.90 is: 2,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.10 : 2,736.60 = 1,414.90 : x
  2. Step 2: Convert to fraction form
    1,827.10/2,736.60 = 1,414.90/x
  3. Step 3: Cross multiply
    1,827.10x = 2,736.60 × 1,414.90
  4. Step 4: Simplify right side
    1,827.10x = 3,872,015.34
  5. Step 5: Solve for x
    x = 3,872,015.34/1,827.10
  6. Step 6: Final answer
    x = 2,119.21

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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.