Home / 3,091.53-4,631.46-1,529.73

Finding the Fourth Proportional to 3,091.53, 4,631.46 and 1,529.73

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Solution

The fourth proportional to 3,091.53, 4,631.46 and 1,529.73 is: 2,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.53 : 4,631.46 = 1,529.73 : x
  2. Step 2: Convert to fraction form
    3,091.53/4,631.46 = 1,529.73/x
  3. Step 3: Cross multiply
    3,091.53x = 4,631.46 × 1,529.73
  4. Step 4: Simplify right side
    3,091.53x = 7,084,883.31
  5. Step 5: Solve for x
    x = 7,084,883.31/3,091.53
  6. Step 6: Final answer
    x = 2,291.71

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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.