Home / 2,489.05-3,732.67-1,083.30

Finding the Fourth Proportional to 2,489.05, 3,732.67 and 1,083.30

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Solution

The fourth proportional to 2,489.05, 3,732.67 and 1,083.30 is: 1,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.05 : 3,732.67 = 1,083.30 : x
  2. Step 2: Convert to fraction form
    2,489.05/3,732.67 = 1,083.30/x
  3. Step 3: Cross multiply
    2,489.05x = 3,732.67 × 1,083.30
  4. Step 4: Simplify right side
    2,489.05x = 4,043,582.67
  5. Step 5: Solve for x
    x = 4,043,582.67/2,489.05
  6. Step 6: Final answer
    x = 1,624.55

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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.