Home / 2,133.38-2,943.96-1,249.22

Finding the Fourth Proportional to 2,133.38, 2,943.96 and 1,249.22

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Solution

The fourth proportional to 2,133.38, 2,943.96 and 1,249.22 is: 1,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.38 : 2,943.96 = 1,249.22 : x
  2. Step 2: Convert to fraction form
    2,133.38/2,943.96 = 1,249.22/x
  3. Step 3: Cross multiply
    2,133.38x = 2,943.96 × 1,249.22
  4. Step 4: Simplify right side
    2,133.38x = 3,677,653.71
  5. Step 5: Solve for x
    x = 3,677,653.71/2,133.38
  6. Step 6: Final answer
    x = 1,723.86

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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.