Home / 3,521.62-4,859.80-1,949.68

Finding the Fourth Proportional to 3,521.62, 4,859.80 and 1,949.68

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Solution

The fourth proportional to 3,521.62, 4,859.80 and 1,949.68 is: 2,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.62 : 4,859.80 = 1,949.68 : x
  2. Step 2: Convert to fraction form
    3,521.62/4,859.80 = 1,949.68/x
  3. Step 3: Cross multiply
    3,521.62x = 4,859.80 × 1,949.68
  4. Step 4: Simplify right side
    3,521.62x = 9,475,054.86
  5. Step 5: Solve for x
    x = 9,475,054.86/3,521.62
  6. Step 6: Final answer
    x = 2,690.54

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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.