Home / 2,832.36-3,908-1,637.34

Finding the Fourth Proportional to 2,832.36, 3,908 and 1,637.34

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Solution

The fourth proportional to 2,832.36, 3,908 and 1,637.34 is: 2,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.36 : 3,908 = 1,637.34 : x
  2. Step 2: Convert to fraction form
    2,832.36/3,908 = 1,637.34/x
  3. Step 3: Cross multiply
    2,832.36x = 3,908 × 1,637.34
  4. Step 4: Simplify right side
    2,832.36x = 6,398,724.72
  5. Step 5: Solve for x
    x = 6,398,724.72/2,832.36
  6. Step 6: Final answer
    x = 2,259.15

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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.