Home / 2,769.45-4,154.14-1,601.20

Finding the Fourth Proportional to 2,769.45, 4,154.14 and 1,601.20

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Solution

The fourth proportional to 2,769.45, 4,154.14 and 1,601.20 is: 2,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.45 : 4,154.14 = 1,601.20 : x
  2. Step 2: Convert to fraction form
    2,769.45/4,154.14 = 1,601.20/x
  3. Step 3: Cross multiply
    2,769.45x = 4,154.14 × 1,601.20
  4. Step 4: Simplify right side
    2,769.45x = 6,651,608.97
  5. Step 5: Solve for x
    x = 6,651,608.97/2,769.45
  6. Step 6: Final answer
    x = 2,401.78

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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.