Home / 2,744.20-4,115.10-1,100.20

Finding the Fourth Proportional to 2,744.20, 4,115.10 and 1,100.20

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Solution

The fourth proportional to 2,744.20, 4,115.10 and 1,100.20 is: 1,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.20 : 4,115.10 = 1,100.20 : x
  2. Step 2: Convert to fraction form
    2,744.20/4,115.10 = 1,100.20/x
  3. Step 3: Cross multiply
    2,744.20x = 4,115.10 × 1,100.20
  4. Step 4: Simplify right side
    2,744.20x = 4,527,433.02
  5. Step 5: Solve for x
    x = 4,527,433.02/2,744.20
  6. Step 6: Final answer
    x = 1,649.82

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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.