Home / 3,818.61-5,718.20-3,497.85

Finding the Fourth Proportional to 3,818.61, 5,718.20 and 3,497.85

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Solution

The fourth proportional to 3,818.61, 5,718.20 and 3,497.85 is: 5,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.61 : 5,718.20 = 3,497.85 : x
  2. Step 2: Convert to fraction form
    3,818.61/5,718.20 = 3,497.85/x
  3. Step 3: Cross multiply
    3,818.61x = 5,718.20 × 3,497.85
  4. Step 4: Simplify right side
    3,818.61x = 20,001,388.38
  5. Step 5: Solve for x
    x = 20,001,388.38/3,818.61
  6. Step 6: Final answer
    x = 5,237.87

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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.