Home / 3,282.75-4,530.29-1,790.70

Finding the Fourth Proportional to 3,282.75, 4,530.29 and 1,790.70

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Solution

The fourth proportional to 3,282.75, 4,530.29 and 1,790.70 is: 2,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.75 : 4,530.29 = 1,790.70 : x
  2. Step 2: Convert to fraction form
    3,282.75/4,530.29 = 1,790.70/x
  3. Step 3: Cross multiply
    3,282.75x = 4,530.29 × 1,790.70
  4. Step 4: Simplify right side
    3,282.75x = 8,112,381.35
  5. Step 5: Solve for x
    x = 8,112,381.35/3,282.75
  6. Step 6: Final answer
    x = 2,471.22

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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.