Home / 3,227.45-4,445.08-2,785.19

Finding the Fourth Proportional to 3,227.45, 4,445.08 and 2,785.19

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Solution

The fourth proportional to 3,227.45, 4,445.08 and 2,785.19 is: 3,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.45 : 4,445.08 = 2,785.19 : x
  2. Step 2: Convert to fraction form
    3,227.45/4,445.08 = 2,785.19/x
  3. Step 3: Cross multiply
    3,227.45x = 4,445.08 × 2,785.19
  4. Step 4: Simplify right side
    3,227.45x = 12,380,363.18
  5. Step 5: Solve for x
    x = 12,380,363.18/3,227.45
  6. Step 6: Final answer
    x = 3,835.96

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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.