Home / 2,634.39-3,633.35-1,637.79

Finding the Fourth Proportional to 2,634.39, 3,633.35 and 1,637.79

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Solution

The fourth proportional to 2,634.39, 3,633.35 and 1,637.79 is: 2,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.39 : 3,633.35 = 1,637.79 : x
  2. Step 2: Convert to fraction form
    2,634.39/3,633.35 = 1,637.79/x
  3. Step 3: Cross multiply
    2,634.39x = 3,633.35 × 1,637.79
  4. Step 4: Simplify right side
    2,634.39x = 5,950,656.11
  5. Step 5: Solve for x
    x = 5,950,656.11/2,634.39
  6. Step 6: Final answer
    x = 2,258.84

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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.