Home / 3,614.86-4,989.04-2,288.69

Finding the Fourth Proportional to 3,614.86, 4,989.04 and 2,288.69

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Solution

The fourth proportional to 3,614.86, 4,989.04 and 2,288.69 is: 3,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.86 : 4,989.04 = 2,288.69 : x
  2. Step 2: Convert to fraction form
    3,614.86/4,989.04 = 2,288.69/x
  3. Step 3: Cross multiply
    3,614.86x = 4,989.04 × 2,288.69
  4. Step 4: Simplify right side
    3,614.86x = 11,418,366.87
  5. Step 5: Solve for x
    x = 11,418,366.87/3,614.86
  6. Step 6: Final answer
    x = 3,158.73

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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.