Home / 1,944.73-2,682.07-1,315.09

Finding the Fourth Proportional to 1,944.73, 2,682.07 and 1,315.09

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Solution

The fourth proportional to 1,944.73, 2,682.07 and 1,315.09 is: 1,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.73 : 2,682.07 = 1,315.09 : x
  2. Step 2: Convert to fraction form
    1,944.73/2,682.07 = 1,315.09/x
  3. Step 3: Cross multiply
    1,944.73x = 2,682.07 × 1,315.09
  4. Step 4: Simplify right side
    1,944.73x = 3,527,163.44
  5. Step 5: Solve for x
    x = 3,527,163.44/1,944.73
  6. Step 6: Final answer
    x = 1,813.70

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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.