Home / 2,832.12-3,908.79-1,637.15

Finding the Fourth Proportional to 2,832.12, 3,908.79 and 1,637.15

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Solution

The fourth proportional to 2,832.12, 3,908.79 and 1,637.15 is: 2,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.12 : 3,908.79 = 1,637.15 : x
  2. Step 2: Convert to fraction form
    2,832.12/3,908.79 = 1,637.15/x
  3. Step 3: Cross multiply
    2,832.12x = 3,908.79 × 1,637.15
  4. Step 4: Simplify right side
    2,832.12x = 6,399,256.00
  5. Step 5: Solve for x
    x = 6,399,256.00/2,832.12
  6. Step 6: Final answer
    x = 2,259.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.