Home / 3,619.56-5,424.48-3,191.88

Finding the Fourth Proportional to 3,619.56, 5,424.48 and 3,191.88

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Solution

The fourth proportional to 3,619.56, 5,424.48 and 3,191.88 is: 4,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.56 : 5,424.48 = 3,191.88 : x
  2. Step 2: Convert to fraction form
    3,619.56/5,424.48 = 3,191.88/x
  3. Step 3: Cross multiply
    3,619.56x = 5,424.48 × 3,191.88
  4. Step 4: Simplify right side
    3,619.56x = 17,314,289.22
  5. Step 5: Solve for x
    x = 17,314,289.22/3,619.56
  6. Step 6: Final answer
    x = 4,783.53

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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.