Home / 2,232.84-3,081.29-1,238.12

Finding the Fourth Proportional to 2,232.84, 3,081.29 and 1,238.12

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Solution

The fourth proportional to 2,232.84, 3,081.29 and 1,238.12 is: 1,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.84 : 3,081.29 = 1,238.12 : x
  2. Step 2: Convert to fraction form
    2,232.84/3,081.29 = 1,238.12/x
  3. Step 3: Cross multiply
    2,232.84x = 3,081.29 × 1,238.12
  4. Step 4: Simplify right side
    2,232.84x = 3,815,006.77
  5. Step 5: Solve for x
    x = 3,815,006.77/2,232.84
  6. Step 6: Final answer
    x = 1,708.59

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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.