Home / 3,774.79-5,208.87-2,202.58

Finding the Fourth Proportional to 3,774.79, 5,208.87 and 2,202.58

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Solution

The fourth proportional to 3,774.79, 5,208.87 and 2,202.58 is: 3,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.79 : 5,208.87 = 2,202.58 : x
  2. Step 2: Convert to fraction form
    3,774.79/5,208.87 = 2,202.58/x
  3. Step 3: Cross multiply
    3,774.79x = 5,208.87 × 2,202.58
  4. Step 4: Simplify right side
    3,774.79x = 11,472,952.88
  5. Step 5: Solve for x
    x = 11,472,952.88/3,774.79
  6. Step 6: Final answer
    x = 3,039.36

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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.