Home / 3,185.85-4,776.21-1,453.26

Finding the Fourth Proportional to 3,185.85, 4,776.21 and 1,453.26

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Solution

The fourth proportional to 3,185.85, 4,776.21 and 1,453.26 is: 2,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.85 : 4,776.21 = 1,453.26 : x
  2. Step 2: Convert to fraction form
    3,185.85/4,776.21 = 1,453.26/x
  3. Step 3: Cross multiply
    3,185.85x = 4,776.21 × 1,453.26
  4. Step 4: Simplify right side
    3,185.85x = 6,941,074.94
  5. Step 5: Solve for x
    x = 6,941,074.94/3,185.85
  6. Step 6: Final answer
    x = 2,178.72

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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.