Home / 3,521.49-4,859.52-2,105.96

Finding the Fourth Proportional to 3,521.49, 4,859.52 and 2,105.96

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Solution

The fourth proportional to 3,521.49, 4,859.52 and 2,105.96 is: 2,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.49 : 4,859.52 = 2,105.96 : x
  2. Step 2: Convert to fraction form
    3,521.49/4,859.52 = 2,105.96/x
  3. Step 3: Cross multiply
    3,521.49x = 4,859.52 × 2,105.96
  4. Step 4: Simplify right side
    3,521.49x = 10,233,954.74
  5. Step 5: Solve for x
    x = 10,233,954.74/3,521.49
  6. Step 6: Final answer
    x = 2,906.14

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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.