Home / 3,240.84-4,450.83-2,715.96

Finding the Fourth Proportional to 3,240.84, 4,450.83 and 2,715.96

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Solution

The fourth proportional to 3,240.84, 4,450.83 and 2,715.96 is: 3,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.84 : 4,450.83 = 2,715.96 : x
  2. Step 2: Convert to fraction form
    3,240.84/4,450.83 = 2,715.96/x
  3. Step 3: Cross multiply
    3,240.84x = 4,450.83 × 2,715.96
  4. Step 4: Simplify right side
    3,240.84x = 12,088,276.25
  5. Step 5: Solve for x
    x = 12,088,276.25/3,240.84
  6. Step 6: Final answer
    x = 3,729.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.