Home / 3,530.80-5,296.43-1,191.12

Finding the Fourth Proportional to 3,530.80, 5,296.43 and 1,191.12

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Solution

The fourth proportional to 3,530.80, 5,296.43 and 1,191.12 is: 1,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.80 : 5,296.43 = 1,191.12 : x
  2. Step 2: Convert to fraction form
    3,530.80/5,296.43 = 1,191.12/x
  3. Step 3: Cross multiply
    3,530.80x = 5,296.43 × 1,191.12
  4. Step 4: Simplify right side
    3,530.80x = 6,308,683.70
  5. Step 5: Solve for x
    x = 6,308,683.70/3,530.80
  6. Step 6: Final answer
    x = 1,786.76

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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.