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Finding the Fourth Proportional to 2,792.99, 3,854.03 and 1,673.90

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Solution

The fourth proportional to 2,792.99, 3,854.03 and 1,673.90 is: 2,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.99 : 3,854.03 = 1,673.90 : x
  2. Step 2: Convert to fraction form
    2,792.99/3,854.03 = 1,673.90/x
  3. Step 3: Cross multiply
    2,792.99x = 3,854.03 × 1,673.90
  4. Step 4: Simplify right side
    2,792.99x = 6,451,239.45
  5. Step 5: Solve for x
    x = 6,451,239.45/2,792.99
  6. Step 6: Final answer
    x = 2,309.80

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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.