Home / 2,305.02-3,453.81-1,380.14

Finding the Fourth Proportional to 2,305.02, 3,453.81 and 1,380.14

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Solution

The fourth proportional to 2,305.02, 3,453.81 and 1,380.14 is: 2,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.02 : 3,453.81 = 1,380.14 : x
  2. Step 2: Convert to fraction form
    2,305.02/3,453.81 = 1,380.14/x
  3. Step 3: Cross multiply
    2,305.02x = 3,453.81 × 1,380.14
  4. Step 4: Simplify right side
    2,305.02x = 4,766,724.06
  5. Step 5: Solve for x
    x = 4,766,724.06/2,305.02
  6. Step 6: Final answer
    x = 2,067.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.