Home / 3,228.45-4,454.88-1,811.94

Finding the Fourth Proportional to 3,228.45, 4,454.88 and 1,811.94

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Solution

The fourth proportional to 3,228.45, 4,454.88 and 1,811.94 is: 2,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.45 : 4,454.88 = 1,811.94 : x
  2. Step 2: Convert to fraction form
    3,228.45/4,454.88 = 1,811.94/x
  3. Step 3: Cross multiply
    3,228.45x = 4,454.88 × 1,811.94
  4. Step 4: Simplify right side
    3,228.45x = 8,071,951.77
  5. Step 5: Solve for x
    x = 8,071,951.77/3,228.45
  6. Step 6: Final answer
    x = 2,500.26

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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.