Home / 3,530.82-5,296.31-1,190.40

Finding the Fourth Proportional to 3,530.82, 5,296.31 and 1,190.40

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Solution

The fourth proportional to 3,530.82, 5,296.31 and 1,190.40 is: 1,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.82 : 5,296.31 = 1,190.40 : x
  2. Step 2: Convert to fraction form
    3,530.82/5,296.31 = 1,190.40/x
  3. Step 3: Cross multiply
    3,530.82x = 5,296.31 × 1,190.40
  4. Step 4: Simplify right side
    3,530.82x = 6,304,721.47
  5. Step 5: Solve for x
    x = 6,304,721.47/3,530.82
  6. Step 6: Final answer
    x = 1,785.63

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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.