Home / 2,329.30-3,494.46-769.66

Finding the Fourth Proportional to 2,329.30, 3,494.46 and 769.66

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Solution

The fourth proportional to 2,329.30, 3,494.46 and 769.66 is: 1,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.30 : 3,494.46 = 769.66 : x
  2. Step 2: Convert to fraction form
    2,329.30/3,494.46 = 769.66/x
  3. Step 3: Cross multiply
    2,329.30x = 3,494.46 × 769.66
  4. Step 4: Simplify right side
    2,329.30x = 2,689,546.08
  5. Step 5: Solve for x
    x = 2,689,546.08/2,329.30
  6. Step 6: Final answer
    x = 1,154.66

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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.