Home / 3,579.80-5,355.90-2,192.84

Finding the Fourth Proportional to 3,579.80, 5,355.90 and 2,192.84

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Solution

The fourth proportional to 3,579.80, 5,355.90 and 2,192.84 is: 3,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.80 : 5,355.90 = 2,192.84 : x
  2. Step 2: Convert to fraction form
    3,579.80/5,355.90 = 2,192.84/x
  3. Step 3: Cross multiply
    3,579.80x = 5,355.90 × 2,192.84
  4. Step 4: Simplify right side
    3,579.80x = 11,744,631.76
  5. Step 5: Solve for x
    x = 11,744,631.76/3,579.80
  6. Step 6: Final answer
    x = 3,280.81

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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.