Home / 2,555.92-3,834.60-1,324.18

Finding the Fourth Proportional to 2,555.92, 3,834.60 and 1,324.18

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Solution

The fourth proportional to 2,555.92, 3,834.60 and 1,324.18 is: 1,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.92 : 3,834.60 = 1,324.18 : x
  2. Step 2: Convert to fraction form
    2,555.92/3,834.60 = 1,324.18/x
  3. Step 3: Cross multiply
    2,555.92x = 3,834.60 × 1,324.18
  4. Step 4: Simplify right side
    2,555.92x = 5,077,700.63
  5. Step 5: Solve for x
    x = 5,077,700.63/2,555.92
  6. Step 6: Final answer
    x = 1,986.64

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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.