Home / 3,577.42-5,357.40-2,112.22

Finding the Fourth Proportional to 3,577.42, 5,357.40 and 2,112.22

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Solution

The fourth proportional to 3,577.42, 5,357.40 and 2,112.22 is: 3,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.42 : 5,357.40 = 2,112.22 : x
  2. Step 2: Convert to fraction form
    3,577.42/5,357.40 = 2,112.22/x
  3. Step 3: Cross multiply
    3,577.42x = 5,357.40 × 2,112.22
  4. Step 4: Simplify right side
    3,577.42x = 11,316,007.43
  5. Step 5: Solve for x
    x = 11,316,007.43/3,577.42
  6. Step 6: Final answer
    x = 3,163.18

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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.