Home / 3,620.52-5,427-2,305.17

Finding the Fourth Proportional to 3,620.52, 5,427 and 2,305.17

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Solution

The fourth proportional to 3,620.52, 5,427 and 2,305.17 is: 3,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.52 : 5,427 = 2,305.17 : x
  2. Step 2: Convert to fraction form
    3,620.52/5,427 = 2,305.17/x
  3. Step 3: Cross multiply
    3,620.52x = 5,427 × 2,305.17
  4. Step 4: Simplify right side
    3,620.52x = 12,510,157.59
  5. Step 5: Solve for x
    x = 12,510,157.59/3,620.52
  6. Step 6: Final answer
    x = 3,455.35

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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.