Home / 2,044.34-3,066.79-811.87

Finding the Fourth Proportional to 2,044.34, 3,066.79 and 811.87

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Solution

The fourth proportional to 2,044.34, 3,066.79 and 811.87 is: 1,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.34 : 3,066.79 = 811.87 : x
  2. Step 2: Convert to fraction form
    2,044.34/3,066.79 = 811.87/x
  3. Step 3: Cross multiply
    2,044.34x = 3,066.79 × 811.87
  4. Step 4: Simplify right side
    2,044.34x = 2,489,834.80
  5. Step 5: Solve for x
    x = 2,489,834.80/2,044.34
  6. Step 6: Final answer
    x = 1,217.92

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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.