Home / 3,080.89-4,624.08-1,621.09

Finding the Fourth Proportional to 3,080.89, 4,624.08 and 1,621.09

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Solution

The fourth proportional to 3,080.89, 4,624.08 and 1,621.09 is: 2,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.89 : 4,624.08 = 1,621.09 : x
  2. Step 2: Convert to fraction form
    3,080.89/4,624.08 = 1,621.09/x
  3. Step 3: Cross multiply
    3,080.89x = 4,624.08 × 1,621.09
  4. Step 4: Simplify right side
    3,080.89x = 7,496,049.85
  5. Step 5: Solve for x
    x = 7,496,049.85/3,080.89
  6. Step 6: Final answer
    x = 2,433.08

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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.