Home / 2,127.38-2,935.68-1,183.12

Finding the Fourth Proportional to 2,127.38, 2,935.68 and 1,183.12

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Solution

The fourth proportional to 2,127.38, 2,935.68 and 1,183.12 is: 1,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.38 : 2,935.68 = 1,183.12 : x
  2. Step 2: Convert to fraction form
    2,127.38/2,935.68 = 1,183.12/x
  3. Step 3: Cross multiply
    2,127.38x = 2,935.68 × 1,183.12
  4. Step 4: Simplify right side
    2,127.38x = 3,473,249.95
  5. Step 5: Solve for x
    x = 3,473,249.95/2,127.38
  6. Step 6: Final answer
    x = 1,632.65

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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.