Home / 3,665.33-5,477.87-2,680.22

Finding the Fourth Proportional to 3,665.33, 5,477.87 and 2,680.22

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Solution

The fourth proportional to 3,665.33, 5,477.87 and 2,680.22 is: 4,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.33 : 5,477.87 = 2,680.22 : x
  2. Step 2: Convert to fraction form
    3,665.33/5,477.87 = 2,680.22/x
  3. Step 3: Cross multiply
    3,665.33x = 5,477.87 × 2,680.22
  4. Step 4: Simplify right side
    3,665.33x = 14,681,855.94
  5. Step 5: Solve for x
    x = 14,681,855.94/3,665.33
  6. Step 6: Final answer
    x = 4,005.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.