Home / 3,776.40-5,211.44-2,204.56

Finding the Fourth Proportional to 3,776.40, 5,211.44 and 2,204.56

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Solution

The fourth proportional to 3,776.40, 5,211.44 and 2,204.56 is: 3,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.40 : 5,211.44 = 2,204.56 : x
  2. Step 2: Convert to fraction form
    3,776.40/5,211.44 = 2,204.56/x
  3. Step 3: Cross multiply
    3,776.40x = 5,211.44 × 2,204.56
  4. Step 4: Simplify right side
    3,776.40x = 11,488,932.17
  5. Step 5: Solve for x
    x = 11,488,932.17/3,776.40
  6. Step 6: Final answer
    x = 3,042.30

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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.