Home / 2,423.92-3,636.78-1,268.86

Finding the Fourth Proportional to 2,423.92, 3,636.78 and 1,268.86

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Solution

The fourth proportional to 2,423.92, 3,636.78 and 1,268.86 is: 1,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.92 : 3,636.78 = 1,268.86 : x
  2. Step 2: Convert to fraction form
    2,423.92/3,636.78 = 1,268.86/x
  3. Step 3: Cross multiply
    2,423.92x = 3,636.78 × 1,268.86
  4. Step 4: Simplify right side
    2,423.92x = 4,614,564.67
  5. Step 5: Solve for x
    x = 4,614,564.67/2,423.92
  6. Step 6: Final answer
    x = 1,903.76

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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.