Home / 3,142.86-4,711.85-1,824.59

Finding the Fourth Proportional to 3,142.86, 4,711.85 and 1,824.59

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Solution

The fourth proportional to 3,142.86, 4,711.85 and 1,824.59 is: 2,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.86 : 4,711.85 = 1,824.59 : x
  2. Step 2: Convert to fraction form
    3,142.86/4,711.85 = 1,824.59/x
  3. Step 3: Cross multiply
    3,142.86x = 4,711.85 × 1,824.59
  4. Step 4: Simplify right side
    3,142.86x = 8,597,194.39
  5. Step 5: Solve for x
    x = 8,597,194.39/3,142.86
  6. Step 6: Final answer
    x = 2,735.47

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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.