Home / 3,825.40-5,272.66-2,643.88

Finding the Fourth Proportional to 3,825.40, 5,272.66 and 2,643.88

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Solution

The fourth proportional to 3,825.40, 5,272.66 and 2,643.88 is: 3,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.40 : 5,272.66 = 2,643.88 : x
  2. Step 2: Convert to fraction form
    3,825.40/5,272.66 = 2,643.88/x
  3. Step 3: Cross multiply
    3,825.40x = 5,272.66 × 2,643.88
  4. Step 4: Simplify right side
    3,825.40x = 13,940,280.32
  5. Step 5: Solve for x
    x = 13,940,280.32/3,825.40
  6. Step 6: Final answer
    x = 3,644.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.