Home / 3,665.09-5,500.35-2,280.44

Finding the Fourth Proportional to 3,665.09, 5,500.35 and 2,280.44

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Solution

The fourth proportional to 3,665.09, 5,500.35 and 2,280.44 is: 3,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.09 : 5,500.35 = 2,280.44 : x
  2. Step 2: Convert to fraction form
    3,665.09/5,500.35 = 2,280.44/x
  3. Step 3: Cross multiply
    3,665.09x = 5,500.35 × 2,280.44
  4. Step 4: Simplify right side
    3,665.09x = 12,543,190.65
  5. Step 5: Solve for x
    x = 12,543,190.65/3,665.09
  6. Step 6: Final answer
    x = 3,422.35

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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.