Home / 3,521.57-4,859.70-1,949.69

Finding the Fourth Proportional to 3,521.57, 4,859.70 and 1,949.69

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Solution

The fourth proportional to 3,521.57, 4,859.70 and 1,949.69 is: 2,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.57 : 4,859.70 = 1,949.69 : x
  2. Step 2: Convert to fraction form
    3,521.57/4,859.70 = 1,949.69/x
  3. Step 3: Cross multiply
    3,521.57x = 4,859.70 × 1,949.69
  4. Step 4: Simplify right side
    3,521.57x = 9,474,884.19
  5. Step 5: Solve for x
    x = 9,474,884.19/3,521.57
  6. Step 6: Final answer
    x = 2,690.53

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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.