Home / 2,549.16-3,825.64-1,089.32

Finding the Fourth Proportional to 2,549.16, 3,825.64 and 1,089.32

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Solution

The fourth proportional to 2,549.16, 3,825.64 and 1,089.32 is: 1,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.16 : 3,825.64 = 1,089.32 : x
  2. Step 2: Convert to fraction form
    2,549.16/3,825.64 = 1,089.32/x
  3. Step 3: Cross multiply
    2,549.16x = 3,825.64 × 1,089.32
  4. Step 4: Simplify right side
    2,549.16x = 4,167,346.16
  5. Step 5: Solve for x
    x = 4,167,346.16/2,549.16
  6. Step 6: Final answer
    x = 1,634.79

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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.