Home / 2,133.11-2,942.53-1,336.27

Finding the Fourth Proportional to 2,133.11, 2,942.53 and 1,336.27

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Solution

The fourth proportional to 2,133.11, 2,942.53 and 1,336.27 is: 1,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.11 : 2,942.53 = 1,336.27 : x
  2. Step 2: Convert to fraction form
    2,133.11/2,942.53 = 1,336.27/x
  3. Step 3: Cross multiply
    2,133.11x = 2,942.53 × 1,336.27
  4. Step 4: Simplify right side
    2,133.11x = 3,932,007.49
  5. Step 5: Solve for x
    x = 3,932,007.49/2,133.11
  6. Step 6: Final answer
    x = 1,843.32

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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.