Home / 2,133.09-2,943.42-1,293.99

Finding the Fourth Proportional to 2,133.09, 2,943.42 and 1,293.99

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Solution

The fourth proportional to 2,133.09, 2,943.42 and 1,293.99 is: 1,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.09 : 2,943.42 = 1,293.99 : x
  2. Step 2: Convert to fraction form
    2,133.09/2,943.42 = 1,293.99/x
  3. Step 3: Cross multiply
    2,133.09x = 2,943.42 × 1,293.99
  4. Step 4: Simplify right side
    2,133.09x = 3,808,756.05
  5. Step 5: Solve for x
    x = 3,808,756.05/2,133.09
  6. Step 6: Final answer
    x = 1,785.56

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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.