Home / 3,806.60-5,253.14-2,213.37

Finding the Fourth Proportional to 3,806.60, 5,253.14 and 2,213.37

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Solution

The fourth proportional to 3,806.60, 5,253.14 and 2,213.37 is: 3,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.60 : 5,253.14 = 2,213.37 : x
  2. Step 2: Convert to fraction form
    3,806.60/5,253.14 = 2,213.37/x
  3. Step 3: Cross multiply
    3,806.60x = 5,253.14 × 2,213.37
  4. Step 4: Simplify right side
    3,806.60x = 11,627,148.02
  5. Step 5: Solve for x
    x = 11,627,148.02/3,806.60
  6. Step 6: Final answer
    x = 3,054.47

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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.