Home / 2,539.29-3,805.50-1,076.61

Finding the Fourth Proportional to 2,539.29, 3,805.50 and 1,076.61

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Solution

The fourth proportional to 2,539.29, 3,805.50 and 1,076.61 is: 1,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.29 : 3,805.50 = 1,076.61 : x
  2. Step 2: Convert to fraction form
    2,539.29/3,805.50 = 1,076.61/x
  3. Step 3: Cross multiply
    2,539.29x = 3,805.50 × 1,076.61
  4. Step 4: Simplify right side
    2,539.29x = 4,097,039.36
  5. Step 5: Solve for x
    x = 4,097,039.36/2,539.29
  6. Step 6: Final answer
    x = 1,613.46

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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.