Home / 2,183.42-3,013.08-1,239.14

Finding the Fourth Proportional to 2,183.42, 3,013.08 and 1,239.14

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Solution

The fourth proportional to 2,183.42, 3,013.08 and 1,239.14 is: 1,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.42 : 3,013.08 = 1,239.14 : x
  2. Step 2: Convert to fraction form
    2,183.42/3,013.08 = 1,239.14/x
  3. Step 3: Cross multiply
    2,183.42x = 3,013.08 × 1,239.14
  4. Step 4: Simplify right side
    2,183.42x = 3,733,627.95
  5. Step 5: Solve for x
    x = 3,733,627.95/2,183.42
  6. Step 6: Final answer
    x = 1,709.99

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1.5x scale

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.