Home / 3,577.80-5,352.90-2,190.84

Finding the Fourth Proportional to 3,577.80, 5,352.90 and 2,190.84

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Solution

The fourth proportional to 3,577.80, 5,352.90 and 2,190.84 is: 3,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.80 : 5,352.90 = 2,190.84 : x
  2. Step 2: Convert to fraction form
    3,577.80/5,352.90 = 2,190.84/x
  3. Step 3: Cross multiply
    3,577.80x = 5,352.90 × 2,190.84
  4. Step 4: Simplify right side
    3,577.80x = 11,727,347.44
  5. Step 5: Solve for x
    x = 11,727,347.44/3,577.80
  6. Step 6: Final answer
    x = 3,277.81

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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.