Home / 3,521.63-4,859.85-1,949.96

Finding the Fourth Proportional to 3,521.63, 4,859.85 and 1,949.96

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Solution

The fourth proportional to 3,521.63, 4,859.85 and 1,949.96 is: 2,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.63 : 4,859.85 = 1,949.96 : x
  2. Step 2: Convert to fraction form
    3,521.63/4,859.85 = 1,949.96/x
  3. Step 3: Cross multiply
    3,521.63x = 4,859.85 × 1,949.96
  4. Step 4: Simplify right side
    3,521.63x = 9,476,488.81
  5. Step 5: Solve for x
    x = 9,476,488.81/3,521.63
  6. Step 6: Final answer
    x = 2,690.94

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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.