Home / 2,380.96-3,546.92-2,239.12

Finding the Fourth Proportional to 2,380.96, 3,546.92 and 2,239.12

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Solution

The fourth proportional to 2,380.96, 3,546.92 and 2,239.12 is: 3,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.96 : 3,546.92 = 2,239.12 : x
  2. Step 2: Convert to fraction form
    2,380.96/3,546.92 = 2,239.12/x
  3. Step 3: Cross multiply
    2,380.96x = 3,546.92 × 2,239.12
  4. Step 4: Simplify right side
    2,380.96x = 7,941,979.51
  5. Step 5: Solve for x
    x = 7,941,979.51/2,380.96
  6. Step 6: Final answer
    x = 3,335.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.