Home / 2,786.10-4,173.17-2,622.56

Finding the Fourth Proportional to 2,786.10, 4,173.17 and 2,622.56

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Solution

The fourth proportional to 2,786.10, 4,173.17 and 2,622.56 is: 3,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.10 : 4,173.17 = 2,622.56 : x
  2. Step 2: Convert to fraction form
    2,786.10/4,173.17 = 2,622.56/x
  3. Step 3: Cross multiply
    2,786.10x = 4,173.17 × 2,622.56
  4. Step 4: Simplify right side
    2,786.10x = 10,944,354.74
  5. Step 5: Solve for x
    x = 10,944,354.74/2,786.10
  6. Step 6: Final answer
    x = 3,928.20

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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.