Home / 2,175.46-3,262.88-789.14

Finding the Fourth Proportional to 2,175.46, 3,262.88 and 789.14

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Solution

The fourth proportional to 2,175.46, 3,262.88 and 789.14 is: 1,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.46 : 3,262.88 = 789.14 : x
  2. Step 2: Convert to fraction form
    2,175.46/3,262.88 = 789.14/x
  3. Step 3: Cross multiply
    2,175.46x = 3,262.88 × 789.14
  4. Step 4: Simplify right side
    2,175.46x = 2,574,879.25
  5. Step 5: Solve for x
    x = 2,574,879.25/2,175.46
  6. Step 6: Final answer
    x = 1,183.60

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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.