Home / 2,582.24-3,873.51-1,121.49

Finding the Fourth Proportional to 2,582.24, 3,873.51 and 1,121.49

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Solution

The fourth proportional to 2,582.24, 3,873.51 and 1,121.49 is: 1,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.24 : 3,873.51 = 1,121.49 : x
  2. Step 2: Convert to fraction form
    2,582.24/3,873.51 = 1,121.49/x
  3. Step 3: Cross multiply
    2,582.24x = 3,873.51 × 1,121.49
  4. Step 4: Simplify right side
    2,582.24x = 4,344,102.73
  5. Step 5: Solve for x
    x = 4,344,102.73/2,582.24
  6. Step 6: Final answer
    x = 1,682.30

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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.