Home / 2,232.74-3,081.07-1,238.02

Finding the Fourth Proportional to 2,232.74, 3,081.07 and 1,238.02

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Solution

The fourth proportional to 2,232.74, 3,081.07 and 1,238.02 is: 1,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.74 : 3,081.07 = 1,238.02 : x
  2. Step 2: Convert to fraction form
    2,232.74/3,081.07 = 1,238.02/x
  3. Step 3: Cross multiply
    2,232.74x = 3,081.07 × 1,238.02
  4. Step 4: Simplify right side
    2,232.74x = 3,814,426.28
  5. Step 5: Solve for x
    x = 3,814,426.28/2,232.74
  6. Step 6: Final answer
    x = 1,708.41

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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.