Home / 3,282.42-4,529.64-1,790.37

Finding the Fourth Proportional to 3,282.42, 4,529.64 and 1,790.37

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Solution

The fourth proportional to 3,282.42, 4,529.64 and 1,790.37 is: 2,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.42 : 4,529.64 = 1,790.37 : x
  2. Step 2: Convert to fraction form
    3,282.42/4,529.64 = 1,790.37/x
  3. Step 3: Cross multiply
    3,282.42x = 4,529.64 × 1,790.37
  4. Step 4: Simplify right side
    3,282.42x = 8,109,728.21
  5. Step 5: Solve for x
    x = 8,109,728.21/3,282.42
  6. Step 6: Final answer
    x = 2,470.65

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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.