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Finding the Fourth Proportional to 1,329.73, 1,834.53 and 1,327.68

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Solution

The fourth proportional to 1,329.73, 1,834.53 and 1,327.68 is: 1,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.73 : 1,834.53 = 1,327.68 : x
  2. Step 2: Convert to fraction form
    1,329.73/1,834.53 = 1,327.68/x
  3. Step 3: Cross multiply
    1,329.73x = 1,834.53 × 1,327.68
  4. Step 4: Simplify right side
    1,329.73x = 2,435,673.77
  5. Step 5: Solve for x
    x = 2,435,673.77/1,329.73
  6. Step 6: Final answer
    x = 1,831.70

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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.