Home / 2,583.10-3,873.96-1,121.91

Finding the Fourth Proportional to 2,583.10, 3,873.96 and 1,121.91

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Solution

The fourth proportional to 2,583.10, 3,873.96 and 1,121.91 is: 1,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.10 : 3,873.96 = 1,121.91 : x
  2. Step 2: Convert to fraction form
    2,583.10/3,873.96 = 1,121.91/x
  3. Step 3: Cross multiply
    2,583.10x = 3,873.96 × 1,121.91
  4. Step 4: Simplify right side
    2,583.10x = 4,346,219.94
  5. Step 5: Solve for x
    x = 4,346,219.94/2,583.10
  6. Step 6: Final answer
    x = 1,682.56

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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.