Home / 3,917.19-5,874.87-1,143.28

Finding the Fourth Proportional to 3,917.19, 5,874.87 and 1,143.28

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Solution

The fourth proportional to 3,917.19, 5,874.87 and 1,143.28 is: 1,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.19 : 5,874.87 = 1,143.28 : x
  2. Step 2: Convert to fraction form
    3,917.19/5,874.87 = 1,143.28/x
  3. Step 3: Cross multiply
    3,917.19x = 5,874.87 × 1,143.28
  4. Step 4: Simplify right side
    3,917.19x = 6,716,592.00
  5. Step 5: Solve for x
    x = 6,716,592.00/3,917.19
  6. Step 6: Final answer
    x = 1,714.65

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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.