Home / 1,917.33-2,874.30-1,135.41

Finding the Fourth Proportional to 1,917.33, 2,874.30 and 1,135.41

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Solution

The fourth proportional to 1,917.33, 2,874.30 and 1,135.41 is: 1,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.33 : 2,874.30 = 1,135.41 : x
  2. Step 2: Convert to fraction form
    1,917.33/2,874.30 = 1,135.41/x
  3. Step 3: Cross multiply
    1,917.33x = 2,874.30 × 1,135.41
  4. Step 4: Simplify right side
    1,917.33x = 3,263,508.96
  5. Step 5: Solve for x
    x = 3,263,508.96/1,917.33
  6. Step 6: Final answer
    x = 1,702.11

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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.