Home / 3,581.08-4,942.92-2,519.12

Finding the Fourth Proportional to 3,581.08, 4,942.92 and 2,519.12

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Solution

The fourth proportional to 3,581.08, 4,942.92 and 2,519.12 is: 3,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.08 : 4,942.92 = 2,519.12 : x
  2. Step 2: Convert to fraction form
    3,581.08/4,942.92 = 2,519.12/x
  3. Step 3: Cross multiply
    3,581.08x = 4,942.92 × 2,519.12
  4. Step 4: Simplify right side
    3,581.08x = 12,451,808.63
  5. Step 5: Solve for x
    x = 12,451,808.63/3,581.08
  6. Step 6: Final answer
    x = 3,477.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.