Home / 3,655.83-5,478.25-2,193.37

Finding the Fourth Proportional to 3,655.83, 5,478.25 and 2,193.37

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Solution

The fourth proportional to 3,655.83, 5,478.25 and 2,193.37 is: 3,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.83 : 5,478.25 = 2,193.37 : x
  2. Step 2: Convert to fraction form
    3,655.83/5,478.25 = 2,193.37/x
  3. Step 3: Cross multiply
    3,655.83x = 5,478.25 × 2,193.37
  4. Step 4: Simplify right side
    3,655.83x = 12,015,829.20
  5. Step 5: Solve for x
    x = 12,015,829.20/3,655.83
  6. Step 6: Final answer
    x = 3,286.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.