Home / 3,402.91-5,104.35-1,211.72

Finding the Fourth Proportional to 3,402.91, 5,104.35 and 1,211.72

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Solution

The fourth proportional to 3,402.91, 5,104.35 and 1,211.72 is: 1,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.91 : 5,104.35 = 1,211.72 : x
  2. Step 2: Convert to fraction form
    3,402.91/5,104.35 = 1,211.72/x
  3. Step 3: Cross multiply
    3,402.91x = 5,104.35 × 1,211.72
  4. Step 4: Simplify right side
    3,402.91x = 6,185,042.98
  5. Step 5: Solve for x
    x = 6,185,042.98/3,402.91
  6. Step 6: Final answer
    x = 1,817.57

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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.