Home / 3,185.88-4,776.96-1,453.56

Finding the Fourth Proportional to 3,185.88, 4,776.96 and 1,453.56

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Solution

The fourth proportional to 3,185.88, 4,776.96 and 1,453.56 is: 2,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.88 : 4,776.96 = 1,453.56 : x
  2. Step 2: Convert to fraction form
    3,185.88/4,776.96 = 1,453.56/x
  3. Step 3: Cross multiply
    3,185.88x = 4,776.96 × 1,453.56
  4. Step 4: Simplify right side
    3,185.88x = 6,943,597.98
  5. Step 5: Solve for x
    x = 6,943,597.98/3,185.88
  6. Step 6: Final answer
    x = 2,179.49

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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.