Home / 2,425.32-3,344.79-1,640.43

Finding the Fourth Proportional to 2,425.32, 3,344.79 and 1,640.43

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Solution

The fourth proportional to 2,425.32, 3,344.79 and 1,640.43 is: 2,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.32 : 3,344.79 = 1,640.43 : x
  2. Step 2: Convert to fraction form
    2,425.32/3,344.79 = 1,640.43/x
  3. Step 3: Cross multiply
    2,425.32x = 3,344.79 × 1,640.43
  4. Step 4: Simplify right side
    2,425.32x = 5,486,893.86
  5. Step 5: Solve for x
    x = 5,486,893.86/2,425.32
  6. Step 6: Final answer
    x = 2,262.34

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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.