Home / 3,282.90-4,530.33-1,790.76

Finding the Fourth Proportional to 3,282.90, 4,530.33 and 1,790.76

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Solution

The fourth proportional to 3,282.90, 4,530.33 and 1,790.76 is: 2,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.90 : 4,530.33 = 1,790.76 : x
  2. Step 2: Convert to fraction form
    3,282.90/4,530.33 = 1,790.76/x
  3. Step 3: Cross multiply
    3,282.90x = 4,530.33 × 1,790.76
  4. Step 4: Simplify right side
    3,282.90x = 8,112,733.75
  5. Step 5: Solve for x
    x = 8,112,733.75/3,282.90
  6. Step 6: Final answer
    x = 2,471.21

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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.