Home / 3,531.09-5,296.85-1,190.90

Finding the Fourth Proportional to 3,531.09, 5,296.85 and 1,190.90

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Solution

The fourth proportional to 3,531.09, 5,296.85 and 1,190.90 is: 1,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.09 : 5,296.85 = 1,190.90 : x
  2. Step 2: Convert to fraction form
    3,531.09/5,296.85 = 1,190.90/x
  3. Step 3: Cross multiply
    3,531.09x = 5,296.85 × 1,190.90
  4. Step 4: Simplify right side
    3,531.09x = 6,308,018.67
  5. Step 5: Solve for x
    x = 6,308,018.67/3,531.09
  6. Step 6: Final answer
    x = 1,786.42

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Similar ratio
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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.