Home / 3,529.39-4,868.51-2,200.78

Finding the Fourth Proportional to 3,529.39, 4,868.51 and 2,200.78

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Solution

The fourth proportional to 3,529.39, 4,868.51 and 2,200.78 is: 3,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.39 : 4,868.51 = 2,200.78 : x
  2. Step 2: Convert to fraction form
    3,529.39/4,868.51 = 2,200.78/x
  3. Step 3: Cross multiply
    3,529.39x = 4,868.51 × 2,200.78
  4. Step 4: Simplify right side
    3,529.39x = 10,714,539.86
  5. Step 5: Solve for x
    x = 10,714,539.86/3,529.39
  6. Step 6: Final answer
    x = 3,035.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.