Home / 3,251.52-4,486.84-1,992.06

Finding the Fourth Proportional to 3,251.52, 4,486.84 and 1,992.06

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Solution

The fourth proportional to 3,251.52, 4,486.84 and 1,992.06 is: 2,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.52 : 4,486.84 = 1,992.06 : x
  2. Step 2: Convert to fraction form
    3,251.52/4,486.84 = 1,992.06/x
  3. Step 3: Cross multiply
    3,251.52x = 4,486.84 × 1,992.06
  4. Step 4: Simplify right side
    3,251.52x = 8,938,054.49
  5. Step 5: Solve for x
    x = 8,938,054.49/3,251.52
  6. Step 6: Final answer
    x = 2,748.88

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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.