Home / 3,666.82-5,486.44-2,180.57

Finding the Fourth Proportional to 3,666.82, 5,486.44 and 2,180.57

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Solution

The fourth proportional to 3,666.82, 5,486.44 and 2,180.57 is: 3,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.82 : 5,486.44 = 2,180.57 : x
  2. Step 2: Convert to fraction form
    3,666.82/5,486.44 = 2,180.57/x
  3. Step 3: Cross multiply
    3,666.82x = 5,486.44 × 2,180.57
  4. Step 4: Simplify right side
    3,666.82x = 11,963,566.47
  5. Step 5: Solve for x
    x = 11,963,566.47/3,666.82
  6. Step 6: Final answer
    x = 3,262.65

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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.