Home / 3,282.87-4,530.33-1,790.79

Finding the Fourth Proportional to 3,282.87, 4,530.33 and 1,790.79

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Solution

The fourth proportional to 3,282.87, 4,530.33 and 1,790.79 is: 2,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.87 : 4,530.33 = 1,790.79 : x
  2. Step 2: Convert to fraction form
    3,282.87/4,530.33 = 1,790.79/x
  3. Step 3: Cross multiply
    3,282.87x = 4,530.33 × 1,790.79
  4. Step 4: Simplify right side
    3,282.87x = 8,112,869.66
  5. Step 5: Solve for x
    x = 8,112,869.66/3,282.87
  6. Step 6: Final answer
    x = 2,471.27

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1.5x scale

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.