Home / 2,558.47-3,834.97-1,324.65

Finding the Fourth Proportional to 2,558.47, 3,834.97 and 1,324.65

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Solution

The fourth proportional to 2,558.47, 3,834.97 and 1,324.65 is: 1,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.47 : 3,834.97 = 1,324.65 : x
  2. Step 2: Convert to fraction form
    2,558.47/3,834.97 = 1,324.65/x
  3. Step 3: Cross multiply
    2,558.47x = 3,834.97 × 1,324.65
  4. Step 4: Simplify right side
    2,558.47x = 5,079,993.01
  5. Step 5: Solve for x
    x = 5,079,993.01/2,558.47
  6. Step 6: Final answer
    x = 1,985.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.