Home / 3,587.55-5,378.09-3,198.75

Finding the Fourth Proportional to 3,587.55, 5,378.09 and 3,198.75

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Solution

The fourth proportional to 3,587.55, 5,378.09 and 3,198.75 is: 4,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.55 : 5,378.09 = 3,198.75 : x
  2. Step 2: Convert to fraction form
    3,587.55/5,378.09 = 3,198.75/x
  3. Step 3: Cross multiply
    3,587.55x = 5,378.09 × 3,198.75
  4. Step 4: Simplify right side
    3,587.55x = 17,203,149.39
  5. Step 5: Solve for x
    x = 17,203,149.39/3,587.55
  6. Step 6: Final answer
    x = 4,795.24

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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.