Home / 3,198.88-4,775.24-2,955.04

Finding the Fourth Proportional to 3,198.88, 4,775.24 and 2,955.04

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Solution

The fourth proportional to 3,198.88, 4,775.24 and 2,955.04 is: 4,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.88 : 4,775.24 = 2,955.04 : x
  2. Step 2: Convert to fraction form
    3,198.88/4,775.24 = 2,955.04/x
  3. Step 3: Cross multiply
    3,198.88x = 4,775.24 × 2,955.04
  4. Step 4: Simplify right side
    3,198.88x = 14,111,025.21
  5. Step 5: Solve for x
    x = 14,111,025.21/3,198.88
  6. Step 6: Final answer
    x = 4,411.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.