Home / 3,774.14-5,208.71-2,876.25

Finding the Fourth Proportional to 3,774.14, 5,208.71 and 2,876.25

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Solution

The fourth proportional to 3,774.14, 5,208.71 and 2,876.25 is: 3,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.14 : 5,208.71 = 2,876.25 : x
  2. Step 2: Convert to fraction form
    3,774.14/5,208.71 = 2,876.25/x
  3. Step 3: Cross multiply
    3,774.14x = 5,208.71 × 2,876.25
  4. Step 4: Simplify right side
    3,774.14x = 14,981,537.76
  5. Step 5: Solve for x
    x = 14,981,537.76/3,774.14
  6. Step 6: Final answer
    x = 3,969.53

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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.