Home / 2,724.30-3,755.70-1,729.08

Finding the Fourth Proportional to 2,724.30, 3,755.70 and 1,729.08

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Solution

The fourth proportional to 2,724.30, 3,755.70 and 1,729.08 is: 2,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.30 : 3,755.70 = 1,729.08 : x
  2. Step 2: Convert to fraction form
    2,724.30/3,755.70 = 1,729.08/x
  3. Step 3: Cross multiply
    2,724.30x = 3,755.70 × 1,729.08
  4. Step 4: Simplify right side
    2,724.30x = 6,493,905.76
  5. Step 5: Solve for x
    x = 6,493,905.76/2,724.30
  6. Step 6: Final answer
    x = 2,383.70

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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.