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Finding the Fourth Proportional to 1,329.89, 1,834.76 and 1,327.84

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Solution

The fourth proportional to 1,329.89, 1,834.76 and 1,327.84 is: 1,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.89 : 1,834.76 = 1,327.84 : x
  2. Step 2: Convert to fraction form
    1,329.89/1,834.76 = 1,327.84/x
  3. Step 3: Cross multiply
    1,329.89x = 1,834.76 × 1,327.84
  4. Step 4: Simplify right side
    1,329.89x = 2,436,273.04
  5. Step 5: Solve for x
    x = 2,436,273.04/1,329.89
  6. Step 6: Final answer
    x = 1,831.93

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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.