Home / 3,774.80-5,208.36-2,201.96

Finding the Fourth Proportional to 3,774.80, 5,208.36 and 2,201.96

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Solution

The fourth proportional to 3,774.80, 5,208.36 and 2,201.96 is: 3,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.80 : 5,208.36 = 2,201.96 : x
  2. Step 2: Convert to fraction form
    3,774.80/5,208.36 = 2,201.96/x
  3. Step 3: Cross multiply
    3,774.80x = 5,208.36 × 2,201.96
  4. Step 4: Simplify right side
    3,774.80x = 11,468,600.39
  5. Step 5: Solve for x
    x = 11,468,600.39/3,774.80
  6. Step 6: Final answer
    x = 3,038.20

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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.