Home / 3,774.25-5,208.26-2,180.85

Finding the Fourth Proportional to 3,774.25, 5,208.26 and 2,180.85

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Solution

The fourth proportional to 3,774.25, 5,208.26 and 2,180.85 is: 3,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.25 : 5,208.26 = 2,180.85 : x
  2. Step 2: Convert to fraction form
    3,774.25/5,208.26 = 2,180.85/x
  3. Step 3: Cross multiply
    3,774.25x = 5,208.26 × 2,180.85
  4. Step 4: Simplify right side
    3,774.25x = 11,358,433.82
  5. Step 5: Solve for x
    x = 11,358,433.82/3,774.25
  6. Step 6: Final answer
    x = 3,009.45

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.