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Finding the Fourth Proportional to 2,326.73, 3,489.57 and 766.91

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Solution

The fourth proportional to 2,326.73, 3,489.57 and 766.91 is: 1,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.73 : 3,489.57 = 766.91 : x
  2. Step 2: Convert to fraction form
    2,326.73/3,489.57 = 766.91/x
  3. Step 3: Cross multiply
    2,326.73x = 3,489.57 × 766.91
  4. Step 4: Simplify right side
    2,326.73x = 2,676,168.68
  5. Step 5: Solve for x
    x = 2,676,168.68/2,326.73
  6. Step 6: Final answer
    x = 1,150.19

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1.5x scale

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.