Home / 2,549.89-3,825.44-1,089.46

Finding the Fourth Proportional to 2,549.89, 3,825.44 and 1,089.46

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Solution

The fourth proportional to 2,549.89, 3,825.44 and 1,089.46 is: 1,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.89 : 3,825.44 = 1,089.46 : x
  2. Step 2: Convert to fraction form
    2,549.89/3,825.44 = 1,089.46/x
  3. Step 3: Cross multiply
    2,549.89x = 3,825.44 × 1,089.46
  4. Step 4: Simplify right side
    2,549.89x = 4,167,663.86
  5. Step 5: Solve for x
    x = 4,167,663.86/2,549.89
  6. Step 6: Final answer
    x = 1,634.45

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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.