Home / 3,818.43-5,727.63-1,625.76

Finding the Fourth Proportional to 3,818.43, 5,727.63 and 1,625.76

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Solution

The fourth proportional to 3,818.43, 5,727.63 and 1,625.76 is: 2,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.43 : 5,727.63 = 1,625.76 : x
  2. Step 2: Convert to fraction form
    3,818.43/5,727.63 = 1,625.76/x
  3. Step 3: Cross multiply
    3,818.43x = 5,727.63 × 1,625.76
  4. Step 4: Simplify right side
    3,818.43x = 9,311,751.75
  5. Step 5: Solve for x
    x = 9,311,751.75/3,818.43
  6. Step 6: Final answer
    x = 2,438.63

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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.