Home / 3,485.84-5,227.68-1,635.80

Finding the Fourth Proportional to 3,485.84, 5,227.68 and 1,635.80

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Solution

The fourth proportional to 3,485.84, 5,227.68 and 1,635.80 is: 2,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.84 : 5,227.68 = 1,635.80 : x
  2. Step 2: Convert to fraction form
    3,485.84/5,227.68 = 1,635.80/x
  3. Step 3: Cross multiply
    3,485.84x = 5,227.68 × 1,635.80
  4. Step 4: Simplify right side
    3,485.84x = 8,551,438.94
  5. Step 5: Solve for x
    x = 8,551,438.94/3,485.84
  6. Step 6: Final answer
    x = 2,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.