Home / 3,476.11-5,211.84-1,916.86

Finding the Fourth Proportional to 3,476.11, 5,211.84 and 1,916.86

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Solution

The fourth proportional to 3,476.11, 5,211.84 and 1,916.86 is: 2,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.11 : 5,211.84 = 1,916.86 : x
  2. Step 2: Convert to fraction form
    3,476.11/5,211.84 = 1,916.86/x
  3. Step 3: Cross multiply
    3,476.11x = 5,211.84 × 1,916.86
  4. Step 4: Simplify right side
    3,476.11x = 9,990,367.62
  5. Step 5: Solve for x
    x = 9,990,367.62/3,476.11
  6. Step 6: Final answer
    x = 2,874.01

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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.