Home / 3,401.76-5,101.20-1,211.04

Finding the Fourth Proportional to 3,401.76, 5,101.20 and 1,211.04

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Solution

The fourth proportional to 3,401.76, 5,101.20 and 1,211.04 is: 1,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.76 : 5,101.20 = 1,211.04 : x
  2. Step 2: Convert to fraction form
    3,401.76/5,101.20 = 1,211.04/x
  3. Step 3: Cross multiply
    3,401.76x = 5,101.20 × 1,211.04
  4. Step 4: Simplify right side
    3,401.76x = 6,177,757.25
  5. Step 5: Solve for x
    x = 6,177,757.25/3,401.76
  6. Step 6: Final answer
    x = 1,816.05

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1.5x scale

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.