Home / 3,776.49-5,211.18-2,205.50

Finding the Fourth Proportional to 3,776.49, 5,211.18 and 2,205.50

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Solution

The fourth proportional to 3,776.49, 5,211.18 and 2,205.50 is: 3,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.49 : 5,211.18 = 2,205.50 : x
  2. Step 2: Convert to fraction form
    3,776.49/5,211.18 = 2,205.50/x
  3. Step 3: Cross multiply
    3,776.49x = 5,211.18 × 2,205.50
  4. Step 4: Simplify right side
    3,776.49x = 11,493,257.49
  5. Step 5: Solve for x
    x = 11,493,257.49/3,776.49
  6. Step 6: Final answer
    x = 3,043.37

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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.