Home / 2,044.62-2,821.69-1,205.81

Finding the Fourth Proportional to 2,044.62, 2,821.69 and 1,205.81

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Solution

The fourth proportional to 2,044.62, 2,821.69 and 1,205.81 is: 1,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.62 : 2,821.69 = 1,205.81 : x
  2. Step 2: Convert to fraction form
    2,044.62/2,821.69 = 1,205.81/x
  3. Step 3: Cross multiply
    2,044.62x = 2,821.69 × 1,205.81
  4. Step 4: Simplify right side
    2,044.62x = 3,402,421.15
  5. Step 5: Solve for x
    x = 3,402,421.15/2,044.62
  6. Step 6: Final answer
    x = 1,664.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.