Home / 2,610.82-3,917.45-1,637.61

Finding the Fourth Proportional to 2,610.82, 3,917.45 and 1,637.61

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Solution

The fourth proportional to 2,610.82, 3,917.45 and 1,637.61 is: 2,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.82 : 3,917.45 = 1,637.61 : x
  2. Step 2: Convert to fraction form
    2,610.82/3,917.45 = 1,637.61/x
  3. Step 3: Cross multiply
    2,610.82x = 3,917.45 × 1,637.61
  4. Step 4: Simplify right side
    2,610.82x = 6,415,255.29
  5. Step 5: Solve for x
    x = 6,415,255.29/2,610.82
  6. Step 6: Final answer
    x = 2,457.18

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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.