Home / 2,232.98-3,081.54-1,238.28

Finding the Fourth Proportional to 2,232.98, 3,081.54 and 1,238.28

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Solution

The fourth proportional to 2,232.98, 3,081.54 and 1,238.28 is: 1,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.98 : 3,081.54 = 1,238.28 : x
  2. Step 2: Convert to fraction form
    2,232.98/3,081.54 = 1,238.28/x
  3. Step 3: Cross multiply
    2,232.98x = 3,081.54 × 1,238.28
  4. Step 4: Simplify right side
    2,232.98x = 3,815,809.35
  5. Step 5: Solve for x
    x = 3,815,809.35/2,232.98
  6. Step 6: Final answer
    x = 1,708.84

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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.