Home / 2,563.86-3,846.39-1,102.20

Finding the Fourth Proportional to 2,563.86, 3,846.39 and 1,102.20

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Solution

The fourth proportional to 2,563.86, 3,846.39 and 1,102.20 is: 1,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.86 : 3,846.39 = 1,102.20 : x
  2. Step 2: Convert to fraction form
    2,563.86/3,846.39 = 1,102.20/x
  3. Step 3: Cross multiply
    2,563.86x = 3,846.39 × 1,102.20
  4. Step 4: Simplify right side
    2,563.86x = 4,239,491.06
  5. Step 5: Solve for x
    x = 4,239,491.06/2,563.86
  6. Step 6: Final answer
    x = 1,653.56

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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.