Home / 2,549.61-3,822.39-1,087.65

Finding the Fourth Proportional to 2,549.61, 3,822.39 and 1,087.65

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Solution

The fourth proportional to 2,549.61, 3,822.39 and 1,087.65 is: 1,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.61 : 3,822.39 = 1,087.65 : x
  2. Step 2: Convert to fraction form
    2,549.61/3,822.39 = 1,087.65/x
  3. Step 3: Cross multiply
    2,549.61x = 3,822.39 × 1,087.65
  4. Step 4: Simplify right side
    2,549.61x = 4,157,422.48
  5. Step 5: Solve for x
    x = 4,157,422.48/2,549.61
  6. Step 6: Final answer
    x = 1,630.61

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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.