Home / 3,488.37-5,232.55-2,190.75

Finding the Fourth Proportional to 3,488.37, 5,232.55 and 2,190.75

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Solution

The fourth proportional to 3,488.37, 5,232.55 and 2,190.75 is: 3,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.37 : 5,232.55 = 2,190.75 : x
  2. Step 2: Convert to fraction form
    3,488.37/5,232.55 = 2,190.75/x
  3. Step 3: Cross multiply
    3,488.37x = 5,232.55 × 2,190.75
  4. Step 4: Simplify right side
    3,488.37x = 11,463,182.75
  5. Step 5: Solve for x
    x = 11,463,182.75/3,488.37
  6. Step 6: Final answer
    x = 3,286.12

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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.