Home / 2,634.30-3,634.20-1,640.07

Finding the Fourth Proportional to 2,634.30, 3,634.20 and 1,640.07

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Solution

The fourth proportional to 2,634.30, 3,634.20 and 1,640.07 is: 2,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.30 : 3,634.20 = 1,640.07 : x
  2. Step 2: Convert to fraction form
    2,634.30/3,634.20 = 1,640.07/x
  3. Step 3: Cross multiply
    2,634.30x = 3,634.20 × 1,640.07
  4. Step 4: Simplify right side
    2,634.30x = 5,960,342.39
  5. Step 5: Solve for x
    x = 5,960,342.39/2,634.30
  6. Step 6: Final answer
    x = 2,262.59

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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.