Home / 3,487.06-4,813.68-2,229.76

Finding the Fourth Proportional to 3,487.06, 4,813.68 and 2,229.76

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Solution

The fourth proportional to 3,487.06, 4,813.68 and 2,229.76 is: 3,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.06 : 4,813.68 = 2,229.76 : x
  2. Step 2: Convert to fraction form
    3,487.06/4,813.68 = 2,229.76/x
  3. Step 3: Cross multiply
    3,487.06x = 4,813.68 × 2,229.76
  4. Step 4: Simplify right side
    3,487.06x = 10,733,351.12
  5. Step 5: Solve for x
    x = 10,733,351.12/3,487.06
  6. Step 6: Final answer
    x = 3,078.05

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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.