Home / 3,498.29-5,240.45-2,107.43

Finding the Fourth Proportional to 3,498.29, 5,240.45 and 2,107.43

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Solution

The fourth proportional to 3,498.29, 5,240.45 and 2,107.43 is: 3,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.29 : 5,240.45 = 2,107.43 : x
  2. Step 2: Convert to fraction form
    3,498.29/5,240.45 = 2,107.43/x
  3. Step 3: Cross multiply
    3,498.29x = 5,240.45 × 2,107.43
  4. Step 4: Simplify right side
    3,498.29x = 11,043,860.61
  5. Step 5: Solve for x
    x = 11,043,860.61/3,498.29
  6. Step 6: Final answer
    x = 3,156.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.