Home / 3,488.87-4,813.04-2,143.26

Finding the Fourth Proportional to 3,488.87, 4,813.04 and 2,143.26

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Solution

The fourth proportional to 3,488.87, 4,813.04 and 2,143.26 is: 2,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.87 : 4,813.04 = 2,143.26 : x
  2. Step 2: Convert to fraction form
    3,488.87/4,813.04 = 2,143.26/x
  3. Step 3: Cross multiply
    3,488.87x = 4,813.04 × 2,143.26
  4. Step 4: Simplify right side
    3,488.87x = 10,315,561.33
  5. Step 5: Solve for x
    x = 10,315,561.33/3,488.87
  6. Step 6: Final answer
    x = 2,956.71

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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.