Home / 3,465.60-5,188.32-2,163.12

Finding the Fourth Proportional to 3,465.60, 5,188.32 and 2,163.12

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Solution

The fourth proportional to 3,465.60, 5,188.32 and 2,163.12 is: 3,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.60 : 5,188.32 = 2,163.12 : x
  2. Step 2: Convert to fraction form
    3,465.60/5,188.32 = 2,163.12/x
  3. Step 3: Cross multiply
    3,465.60x = 5,188.32 × 2,163.12
  4. Step 4: Simplify right side
    3,465.60x = 11,222,958.76
  5. Step 5: Solve for x
    x = 11,222,958.76/3,465.60
  6. Step 6: Final answer
    x = 3,238.39

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1.5x scale

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.