Home / 2,874.63-4,311.96-1,143.27

Finding the Fourth Proportional to 2,874.63, 4,311.96 and 1,143.27

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Solution

The fourth proportional to 2,874.63, 4,311.96 and 1,143.27 is: 1,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.63 : 4,311.96 = 1,143.27 : x
  2. Step 2: Convert to fraction form
    2,874.63/4,311.96 = 1,143.27/x
  3. Step 3: Cross multiply
    2,874.63x = 4,311.96 × 1,143.27
  4. Step 4: Simplify right side
    2,874.63x = 4,929,734.51
  5. Step 5: Solve for x
    x = 4,929,734.51/2,874.63
  6. Step 6: Final answer
    x = 1,714.91

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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.