Home / 3,184.85-4,775.09-1,621.83

Finding the Fourth Proportional to 3,184.85, 4,775.09 and 1,621.83

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Solution

The fourth proportional to 3,184.85, 4,775.09 and 1,621.83 is: 2,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.85 : 4,775.09 = 1,621.83 : x
  2. Step 2: Convert to fraction form
    3,184.85/4,775.09 = 1,621.83/x
  3. Step 3: Cross multiply
    3,184.85x = 4,775.09 × 1,621.83
  4. Step 4: Simplify right side
    3,184.85x = 7,744,370.36
  5. Step 5: Solve for x
    x = 7,744,370.36/3,184.85
  6. Step 6: Final answer
    x = 2,431.63

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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.