Home / 2,717.12-4,076.84-1,840.61

Finding the Fourth Proportional to 2,717.12, 4,076.84 and 1,840.61

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Solution

The fourth proportional to 2,717.12, 4,076.84 and 1,840.61 is: 2,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.12 : 4,076.84 = 1,840.61 : x
  2. Step 2: Convert to fraction form
    2,717.12/4,076.84 = 1,840.61/x
  3. Step 3: Cross multiply
    2,717.12x = 4,076.84 × 1,840.61
  4. Step 4: Simplify right side
    2,717.12x = 7,503,842.89
  5. Step 5: Solve for x
    x = 7,503,842.89/2,717.12
  6. Step 6: Final answer
    x = 2,761.69

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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.