Home / 3,154.62-4,734.21-2,116.62

Finding the Fourth Proportional to 3,154.62, 4,734.21 and 2,116.62

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Solution

The fourth proportional to 3,154.62, 4,734.21 and 2,116.62 is: 3,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.62 : 4,734.21 = 2,116.62 : x
  2. Step 2: Convert to fraction form
    3,154.62/4,734.21 = 2,116.62/x
  3. Step 3: Cross multiply
    3,154.62x = 4,734.21 × 2,116.62
  4. Step 4: Simplify right side
    3,154.62x = 10,020,523.57
  5. Step 5: Solve for x
    x = 10,020,523.57/3,154.62
  6. Step 6: Final answer
    x = 3,176.46

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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.